1051439572 has 24 divisors (see below), whose sum is σ = 1923235776. Its totient is φ = 502020288.

The previous prime is 1051439567. The next prime is 1051439591. The reversal of 1051439572 is 2759341501.

It is a super-2 number, since 2×1051439572² = 2211050347135086368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47503 + ... + 66025.

It is an arithmetic number, because the mean of its divisors is an integer number (80134824).

Almost surely, 2^1051439572 is an apocalyptic number.

It is an amenable number.

1051439572 is a deficient number, since it is larger than the sum of its proper divisors (871796204).

1051439572 is a wasteful number, since it uses less digits than its factorization.

1051439572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19167 (or 19165 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1051439572 is about 32425.9089618163. The cubic root of 1051439572 is about 1016.8606449302.

It can be divided in two parts, 10514 and 39572, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 1051439572 in words is "one billion, fifty-one million, four hundred thirty-nine thousand, five hundred seventy-two".