1052290729 has 8 divisors (see below), whose sum is σ = 1227161600. Its totient is φ = 901963188.

The previous prime is 1052290717. The next prime is 1052290739. The reversal of 1052290729 is 9270922501.

It is not a de Polignac number, because 1052290729 - 2⁵ = 1052290697 is a prime.

It is a super-2 number, since 2×1052290729² = 2214631556678702882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052290709) 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, 1533609 + ... + 1534294.

It is an arithmetic number, because the mean of its divisors is an integer number (153395200).

Almost surely, 2^1052290729 is an apocalyptic number.

It is an amenable number.

1052290729 is a deficient number, since it is larger than the sum of its proper divisors (174870871).

1052290729 is an frugal number, since it uses more digits than its factorization.

1052290729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067924 (or 3067910 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1052290729 is about 32439.0309503844. The cubic root of 1052290729 is about 1017.1349591931.

The spelling of 1052290729 in words is "one billion, fifty-two million, two hundred ninety thousand, seven hundred twenty-nine".