121107136 has 14 divisors (see below), whose sum is σ = 240322100. Its totient is φ = 60553536.

The previous prime is 121107113. The next prime is 121107139. The reversal of 121107136 is 631701121.

It is not an unprimeable number, because it can be changed into a prime (121107139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946086 + ... + 946213.

Almost surely, 2^121107136 is an apocalyptic number.

121107136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121107136 is a deficient number, since it is larger than the sum of its proper divisors (119214964).

121107136 is an equidigital number, since it uses as much as digits as its factorization.

121107136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892311 (or 1892301 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 121107136 is about 11004.8687406984. The cubic root of 121107136 is about 494.7546803318.

Adding to 121107136 its reverse (631701121), we get a palindrome (752808257).

The spelling of 121107136 in words is "one hundred twenty-one million, one hundred seven thousand, one hundred thirty-six".