Search a number
-
+
122513001 = 3132241643
BaseRepresentation
bin1110100110101…
…10011001101001
322112112022020120
413103112121221
5222330404001
620053513453
73015225522
oct723263151
9275468216
10122513001
1163178916
1235042889
131c4c6a00
14123b1849
15ab50236
hex74d6669

122513001 has 12 divisors (see below), whose sum is σ = 176883408. Its totient is φ = 75392304.

The previous prime is 122512993. The next prime is 122513003. The reversal of 122513001 is 100315221.

It is not a de Polignac number, because 122513001 - 23 = 122512993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122513003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120315 + ... + 121328.

It is an arithmetic number, because the mean of its divisors is an integer number (14740284).

Almost surely, 2122513001 is an apocalyptic number.

It is an amenable number.

122513001 is a deficient number, since it is larger than the sum of its proper divisors (54370407).

122513001 is a wasteful number, since it uses less digits than its factorization.

122513001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241672 (or 241659 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 122513001 is about 11068.5591203191. The cubic root of 122513001 is about 496.6617632856.

Adding to 122513001 its reverse (100315221), we get a palindrome (222828222).

The spelling of 122513001 in words is "one hundred twenty-two million, five hundred thirteen thousand, one".

Divisors: 1 3 13 39 169 507 241643 724929 3141359 9424077 40837667 122513001