1129072051 has 8 divisors (see below), whose sum is σ = 1236712320. Its totient is φ = 1026012288.

The previous prime is 1129072039. The next prime is 1129072069. The reversal of 1129072051 is 1502709211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1129072051 - 2⁵ = 1129072019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129072151) 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, 1144611 + ... + 1145596.

It is an arithmetic number, because the mean of its divisors is an integer number (154589040).

Almost surely, 2^1129072051 is an apocalyptic number.

1129072051 is a deficient number, since it is larger than the sum of its proper divisors (107640269).

1129072051 is a wasteful number, since it uses less digits than its factorization.

1129072051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290253.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1129072051 is about 33601.6673842237. The cubic root of 1129072051 is about 1041.2952460923.

The spelling of 1129072051 in words is "one billion, one hundred twenty-nine million, seventy-two thousand, fifty-one".