121696707 has 16 divisors (see below), whose sum is σ = 177246720. Its totient is φ = 73658400.

The previous prime is 121696699. The next prime is 121696709. The reversal of 121696707 is 707696121.

It is not a de Polignac number, because 121696707 - 2³ = 121696699 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (121696709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29094 + ... + 33012.

It is an arithmetic number, because the mean of its divisors is an integer number (11077920).

Almost surely, 2^121696707 is an apocalyptic number.

121696707 is a deficient number, since it is larger than the sum of its proper divisors (55550013).

121696707 is a wasteful number, since it uses less digits than its factorization.

121696707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 121696707 is about 11031.6230446839. The cubic root of 121696707 is about 495.5562321905.

The spelling of 121696707 in words is "one hundred twenty-one million, six hundred ninety-six thousand, seven hundred seven".