1497117942 has 12 divisors (see below), whose sum is σ = 3243755580. Its totient is φ = 499039308.

The previous prime is 1497117929. The next prime is 1497117949. The reversal of 1497117942 is 2497117941.

1497117942 is a `hidden beast` number, since 1 + 497 + 117 + 9 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497117949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41586592 + ... + 41586627.

It is an arithmetic number, because the mean of its divisors is an integer number (270312965).

Almost surely, 2^1497117942 is an apocalyptic number.

1497117942 is an abundant number, since it is smaller than the sum of its proper divisors (1746637638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497117942 is a wasteful number, since it uses less digits than its factorization.

1497117942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83173227 (or 83173224 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1497117942 is about 38692.6083638723. The cubic root of 1497117942 is about 1143.9806318750.

Subtracting 1497117942 from its reverse (2497117941), we obtain a palindrome (999999999).

The spelling of 1497117942 in words is "one billion, four hundred ninety-seven million, one hundred seventeen thousand, nine hundred forty-two".