1072651023 has 96 divisors (see below), whose sum is σ = 1838453760. Its totient is φ = 597611520.

The previous prime is 1072651009. The next prime is 1072651033. The reversal of 1072651023 is 3201562701.

It is a happy number.

1072651023 is a `hidden beast` number, since 1 + 0 + 7 + 2 + 651 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 1072651023 - 2⁵ = 1072650991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072651033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4078390 + ... + 4078652.

It is an arithmetic number, because the mean of its divisors is an integer number (19150560).

Almost surely, 2^1072651023 is an apocalyptic number.

1072651023 is a deficient number, since it is larger than the sum of its proper divisors (765802737).

1072651023 is a wasteful number, since it uses less digits than its factorization.

1072651023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1072651023 is about 32751.3514682982. The cubic root of 1072651023 is about 1023.6531262125.

The spelling of 1072651023 in words is "one billion, seventy-two million, six hundred fifty-one thousand, twenty-three".