1059972121 has 8 divisors (see below), whose sum is σ = 1141824320. Its totient is φ = 978165072.

The previous prime is 1059972113. The next prime is 1059972157. The reversal of 1059972121 is 1212799501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1059972121 - 2³ = 1059972113 is a prime.

It is a super-2 number, since 2×1059972121² = 2247081794594477282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1059972101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49726 + ... + 67768.

It is an arithmetic number, because the mean of its divisors is an integer number (142728040).

Almost surely, 2^1059972121 is an apocalyptic number.

It is an amenable number.

1059972121 is a deficient number, since it is larger than the sum of its proper divisors (81852199).

1059972121 is a wasteful number, since it uses less digits than its factorization.

1059972121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22575.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 1059972121 is about 32557.2130410451. The cubic root of 1059972121 is about 1019.6038834175.

The spelling of 1059972121 in words is "one billion, fifty-nine million, nine hundred seventy-two thousand, one hundred twenty-one".