1231914684 has 360 divisors, whose sum is σ = 4133469312. Its totient is φ = 282522240.

The previous prime is 1231914683. The next prime is 1231914689. The reversal of 1231914684 is 4864191321.

It is a super-2 number, since 2×1231914684² = 3035227577309639712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231914683) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 53561497 + ... + 53561519.

Almost surely, 2^1231914684 is an apocalyptic number.

1231914684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231914684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2066734656).

1231914684 is an abundant number, since it is smaller than the sum of its proper divisors (2901554628).

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

1231914684 is a wasteful number, since it uses less digits than its factorization.

1231914684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 59 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 1231914684 is about 35098.6421959597. The cubic root of 1231914684 is about 1071.9969357880.

The spelling of 1231914684 in words is "one billion, two hundred thirty-one million, nine hundred fourteen thousand, six hundred eighty-four".