9132121007 has 4 divisors (see below), whose sum is σ = 9220782480. Its totient is φ = 9043459536.

The previous prime is 9132121003. The next prime is 9132121039. The reversal of 9132121007 is 7001212319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9132121007 - 2² = 9132121003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9132121003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44330582 + ... + 44330787.

It is an arithmetic number, because the mean of its divisors is an integer number (2305195620).

Almost surely, 2^9132121007 is an apocalyptic number.

9132121007 is a deficient number, since it is larger than the sum of its proper divisors (88661473).

9132121007 is a wasteful number, since it uses less digits than its factorization.

9132121007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88661472.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 9132121007 is about 95562.1316578905. The cubic root of 9132121007 is about 2090.2130386532.

The spelling of 9132121007 in words is "nine billion, one hundred thirty-two million, one hundred twenty-one thousand, seven".