1079745157 has 4 divisors (see below), whose sum is σ = 1143259596. Its totient is φ = 1016230720.

The previous prime is 1079745103. The next prime is 1079745193. The reversal of 1079745157 is 7515479701.

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 990612676 + 89132481 = 31474^2 + 9441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079745157 - 2¹⁹ = 1079220869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079745757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31757194 + ... + 31757227.

It is an arithmetic number, because the mean of its divisors is an integer number (285814899).

Almost surely, 2^1079745157 is an apocalyptic number.

1079745157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1079745157 is a deficient number, since it is larger than the sum of its proper divisors (63514439).

1079745157 is an equidigital number, since it uses as much as digits as its factorization.

1079745157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63514438.

The product of its (nonzero) digits is 308700, while the sum is 46.

The square root of 1079745157 is about 32859.4759087847. The cubic root of 1079745157 is about 1025.9048625096.

The spelling of 1079745157 in words is "one billion, seventy-nine million, seven hundred forty-five thousand, one hundred fifty-seven".