1072295021 has 8 divisors (see below), whose sum is σ = 1236723840. Its totient is φ = 910677168.

The previous prime is 1072294997. The next prime is 1072295033. The reversal of 1072295021 is 1205922701.

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 1072295021 - 2¹⁴ = 1072278637 is a prime.

It is a super-2 number, since 2×1072295021² = 2299633224122780882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072295071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701921 + ... + 703446.

It is an arithmetic number, because the mean of its divisors is an integer number (154590480).

Almost surely, 2^1072295021 is an apocalyptic number.

It is an amenable number.

1072295021 is a deficient number, since it is larger than the sum of its proper divisors (164428819).

1072295021 is a wasteful number, since it uses less digits than its factorization.

1072295021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405483.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1072295021 is about 32745.9160965150. The cubic root of 1072295021 is about 1023.5398669835.

The spelling of 1072295021 in words is "one billion, seventy-two million, two hundred ninety-five thousand, twenty-one".