1121431698834 has 8 divisors (see below), whose sum is σ = 2242863397680. Its totient is φ = 373810566276.

The previous prime is 1121431698833. The next prime is 1121431698851. The reversal of 1121431698834 is 4388961341211.

It is a sphenic number, since it is the product of 3 distinct primes.

1121431698834 is an admirable number.

It is a super-2 number, since 2×1121431698834² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121431698833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93452641564 + ... + 93452641575.

It is an arithmetic number, because the mean of its divisors is an integer number (280357924710).

Almost surely, 2^{1121431698834} is an apocalyptic number.

1121431698834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121431698834 is a wasteful number, since it uses less digits than its factorization.

1121431698834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186905283144.

The product of its digits is 995328, while the sum is 51.

The spelling of 1121431698834 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-one million, six hundred ninety-eight thousand, eight hundred thirty-four".