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121303077 = 372825191
BaseRepresentation
bin1110011101011…
…11000000100101
322110020211112120
413032233000211
5222023144302
620011540153
73002026200
oct716570045
9273224476
10121303077
1162521885
123475a659
131c19208c
1412178937
15a9b19bc
hex73af025

121303077 has 12 divisors (see below), whose sum is σ = 188143776. Its totient is φ = 69315960.

The previous prime is 121303033. The next prime is 121303141. The reversal of 121303077 is 770303121.

It is not a de Polignac number, because 121303077 - 27 = 121302949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303477) 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, 412449 + ... + 412742.

It is an arithmetic number, because the mean of its divisors is an integer number (15678648).

Almost surely, 2121303077 is an apocalyptic number.

It is an amenable number.

121303077 is a deficient number, since it is larger than the sum of its proper divisors (66840699).

121303077 is an equidigital number, since it uses as much as digits as its factorization.

121303077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825208 (or 825201 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 121303077 is about 11013.7676114943. The cubic root of 121303077 is about 495.0213601639.

Adding to 121303077 its reverse (770303121), we get a palindrome (891606198).

The spelling of 121303077 in words is "one hundred twenty-one million, three hundred three thousand, seventy-seven".

Divisors: 1 3 7 21 49 147 825191 2475573 5776337 17329011 40434359 121303077