1053157999 has 8 divisors (see below), whose sum is σ = 1078421760. Its totient is φ = 1028013336.

The previous prime is 1053157993. The next prime is 1053158039. The reversal of 1053157999 is 9997513501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053157999 - 2⁹ = 1053157487 is a prime.

It is a super-2 number, since 2×1053157999² = 2218283541715368002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053157993) 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, 11749 + ... + 47374.

It is an arithmetic number, because the mean of its divisors is an integer number (134802720).

Almost surely, 2^1053157999 is an apocalyptic number.

1053157999 is a deficient number, since it is larger than the sum of its proper divisors (25263761).

1053157999 is an equidigital number, since it uses as much as digits as its factorization.

1053157999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59549.

The product of its (nonzero) digits is 382725, while the sum is 49.

The square root of 1053157999 is about 32452.3958899801. The cubic root of 1053157999 is about 1017.4143143117.

The spelling of 1053157999 in words is "one billion, fifty-three million, one hundred fifty-seven thousand, nine hundred ninety-nine".