1317201942 has 32 divisors (see below), whose sum is σ = 3169209600. Its totient is φ = 356535648.

The previous prime is 1317201917. The next prime is 1317201959. The reversal of 1317201942 is 2491027131.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 824517 + ... + 826112.

It is an arithmetic number, because the mean of its divisors is an integer number (99037800).

Almost surely, 2^1317201942 is an apocalyptic number.

1317201942 is an abundant number, since it is smaller than the sum of its proper divisors (1852007658).

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

1317201942 is a wasteful number, since it uses less digits than its factorization.

1317201942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650660.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1317201942 is about 36293.2768154103. The cubic root of 1317201942 is about 1096.1856709213.

The spelling of 1317201942 in words is "one billion, three hundred seventeen million, two hundred one thousand, nine hundred forty-two".