1149297053 has 4 divisors (see below), whose sum is σ = 1216902780. Its totient is φ = 1081691328.

The previous prime is 1149297043. The next prime is 1149297091. The reversal of 1149297053 is 3507929411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 990864484 + 158432569 = 31478^2 + 12587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149297053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1149297053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149297013) 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, 33802838 + ... + 33802871.

It is an arithmetic number, because the mean of its divisors is an integer number (304225695).

Almost surely, 2^1149297053 is an apocalyptic number.

It is an amenable number.

1149297053 is a deficient number, since it is larger than the sum of its proper divisors (67605727).

1149297053 is an equidigital number, since it uses as much as digits as its factorization.

1149297053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67605726.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1149297053 is about 33901.2839432373. The cubic root of 1149297053 is about 1047.4760400304.

The spelling of 1149297053 in words is "one billion, one hundred forty-nine million, two hundred ninety-seven thousand, fifty-three".