1157877429 has 16 divisors (see below), whose sum is σ = 1647138240. Its totient is φ = 720961280.

The previous prime is 1157877377. The next prime is 1157877449. The reversal of 1157877429 is 9247787511.

It is a cyclic number.

It is not a de Polignac number, because 1157877429 - 2²⁹ = 621006517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157877449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79974 + ... + 93335.

It is an arithmetic number, because the mean of its divisors is an integer number (102946140).

Almost surely, 2^1157877429 is an apocalyptic number.

It is an amenable number.

1157877429 is a deficient number, since it is larger than the sum of its proper divisors (489260811).

1157877429 is a wasteful number, since it uses less digits than its factorization.

1157877429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173460.

The product of its digits is 987840, while the sum is 51.

The square root of 1157877429 is about 34027.5980492306. The cubic root of 1157877429 is about 1050.0763146347.

The spelling of 1157877429 in words is "one billion, one hundred fifty-seven million, eight hundred seventy-seven thousand, four hundred twenty-nine".