1072501989 has 16 divisors (see below), whose sum is σ = 1540631232. Its totient is φ = 659731968.

The previous prime is 1072501957. The next prime is 1072501993. The reversal of 1072501989 is 9891052701.

It is not a de Polignac number, because 1072501989 - 2⁵ = 1072501957 is a prime.

It is a super-2 number, since 2×1072501989² = 2300521032817912242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072501989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072501589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137262 + ... + 144864.

It is an arithmetic number, because the mean of its divisors is an integer number (96289452).

Almost surely, 2^1072501989 is an apocalyptic number.

It is an amenable number.

1072501989 is a deficient number, since it is larger than the sum of its proper divisors (468129243).

1072501989 is a wasteful number, since it uses less digits than its factorization.

1072501989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1072501989 is about 32749.0761549086. The cubic root of 1072501989 is about 1023.6057152706.

The spelling of 1072501989 in words is "one billion, seventy-two million, five hundred one thousand, nine hundred eighty-nine".