1173797427 has 16 divisors (see below), whose sum is σ = 1712742912. Its totient is φ = 709141920.

The previous prime is 1173797399. The next prime is 1173797461. The reversal of 1173797427 is 7247973711.

It is not a de Polignac number, because 1173797427 - 2⁸ = 1173797171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1173797467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45643 + ... + 66564.

It is an arithmetic number, because the mean of its divisors is an integer number (107046432).

Almost surely, 2^1173797427 is an apocalyptic number.

1173797427 is a deficient number, since it is larger than the sum of its proper divisors (538945485).

1173797427 is a wasteful number, since it uses less digits than its factorization.

1173797427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112538.

The product of its digits is 518616, while the sum is 48.

The square root of 1173797427 is about 34260.7271814245. The cubic root of 1173797427 is about 1054.8670278566.

The spelling of 1173797427 in words is "one billion, one hundred seventy-three million, seven hundred ninety-seven thousand, four hundred twenty-seven".