1157462949 has 16 divisors (see below), whose sum is σ = 1580260352. Its totient is φ = 753178608.

The previous prime is 1157462941. The next prime is 1157462953. The reversal of 1157462949 is 9492647511.

It is a happy number.

It is not a de Polignac number, because 1157462949 - 2³ = 1157462941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157462898 and 1157462907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157462941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300852 + ... + 304674.

It is an arithmetic number, because the mean of its divisors is an integer number (98766272).

Almost surely, 2^1157462949 is an apocalyptic number.

It is an amenable number.

1157462949 is a deficient number, since it is larger than the sum of its proper divisors (422797403).

1157462949 is a wasteful number, since it uses less digits than its factorization.

1157462949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216.

The product of its digits is 544320, while the sum is 48.

The square root of 1157462949 is about 34021.5071535639. The cubic root of 1157462949 is about 1049.9510027023.

The spelling of 1157462949 in words is "one billion, one hundred fifty-seven million, four hundred sixty-two thousand, nine hundred forty-nine".