Search a number
-
+
121114245 = 3571676907
BaseRepresentation
bin1110011100000…
…00111010000101
322102220020111210
413032000322011
5222001123440
620003522033
73000311520
oct716007205
9272806453
10121114245
1162402a1a
1234689319
131c127145
1412129bb7
15a975a80
hex7380e85

121114245 has 32 divisors (see below), whose sum is σ = 222824448. Its totient is φ = 55027008.

The previous prime is 121114243. The next prime is 121114267. The reversal of 121114245 is 542411121.

It is not a de Polignac number, because 121114245 - 21 = 121114243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121114243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14082 + ... + 20988.

It is an arithmetic number, because the mean of its divisors is an integer number (6963264).

Almost surely, 2121114245 is an apocalyptic number.

121114245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121114245 is a deficient number, since it is larger than the sum of its proper divisors (101710203).

121114245 is a wasteful number, since it uses less digits than its factorization.

121114245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089.

The product of its digits is 320, while the sum is 21.

The square root of 121114245 is about 11005.1917293612. The cubic root of 121114245 is about 494.7643608574.

Adding to 121114245 its reverse (542411121), we get a palindrome (663525366).

The spelling of 121114245 in words is "one hundred twenty-one million, one hundred fourteen thousand, two hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 167 501 835 1169 2505 3507 5845 6907 17535 20721 34535 48349 103605 145047 241745 725235 1153469 3460407 5767345 8074283 17302035 24222849 40371415 121114245