1157414491 has 4 divisors (see below), whose sum is σ = 1157939712. Its totient is φ = 1156889272.

The previous prime is 1157414443. The next prime is 1157414539. The reversal of 1157414491 is 1944147511.

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

It is an interprime number because it is at equal distance from previous prime (1157414443) and next prime (1157414539).

It is a cyclic number.

It is not a de Polignac number, because 1157414491 - 2¹⁷ = 1157283419 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 1157414491.

It is not an unprimeable number, because it can be changed into a prime (1157414411) 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 3 ways as a sum of consecutive naturals, for example, 259291 + ... + 263716.

It is an arithmetic number, because the mean of its divisors is an integer number (289484928).

Almost surely, 2^1157414491 is an apocalyptic number.

1157414491 is a deficient number, since it is larger than the sum of its proper divisors (525221).

1157414491 is an equidigital number, since it uses as much as digits as its factorization.

1157414491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525220.

The product of its digits is 20160, while the sum is 37.

The square root of 1157414491 is about 34020.7949789537. The cubic root of 1157414491 is about 1049.9363501855.

The spelling of 1157414491 in words is "one billion, one hundred fifty-seven million, four hundred fourteen thousand, four hundred ninety-one".