1050872729 has 4 divisors (see below), whose sum is σ = 1106181840. Its totient is φ = 995563620.

The previous prime is 1050872701. The next prime is 1050872759. The reversal of 1050872729 is 9272780501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050872729 is a prime.

It is a super-2 number, since 2×1050872729² = 2208666985111814882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050872759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27654527 + ... + 27654564.

It is an arithmetic number, because the mean of its divisors is an integer number (276545460).

Almost surely, 2^1050872729 is an apocalyptic number.

1050872729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1050872729 is a deficient number, since it is larger than the sum of its proper divisors (55309111).

1050872729 is an equidigital number, since it uses as much as digits as its factorization.

1050872729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55309110.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 1050872729 is about 32417.1671957930. The cubic root of 1050872729 is about 1016.6778783797.

The spelling of 1050872729 in words is "one billion, fifty million, eight hundred seventy-two thousand, seven hundred twenty-nine".