1172021059 has 16 divisors (see below), whose sum is σ = 1298742624. Its totient is φ = 1048723200.

The previous prime is 1172021057. The next prime is 1172021077. The reversal of 1172021059 is 9501202711.

It is a cyclic number.

It is not a de Polignac number, because 1172021059 - 2¹ = 1172021057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172021057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491049 + ... + 493429.

It is an arithmetic number, because the mean of its divisors is an integer number (81171414).

Almost surely, 2^1172021059 is an apocalyptic number.

1172021059 is a deficient number, since it is larger than the sum of its proper divisors (126721565).

1172021059 is a wasteful number, since it uses less digits than its factorization.

1172021059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1172021059 is about 34234.7931058448. The cubic root of 1172021059 is about 1054.3346310277.

The spelling of 1172021059 in words is "one billion, one hundred seventy-two million, twenty-one thousand, fifty-nine".