1213114040 has 16 divisors (see below), whose sum is σ = 2729506680. Its totient is φ = 485245600.

The previous prime is 1213114031. The next prime is 1213114069. The reversal of 1213114040 is 404113121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15163886 + ... + 15163965.

Almost surely, 2^1213114040 is an apocalyptic number.

1213114040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213114040 is an abundant number, since it is smaller than the sum of its proper divisors (1516392640).

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

1213114040 is a wasteful number, since it uses less digits than its factorization.

1213114040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30327862 (or 30327858 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1213114040 is about 34829.7866774978. The cubic root of 1213114040 is about 1066.5155936217.

Adding to 1213114040 its reverse (404113121), we get a palindrome (1617227161).

The spelling of 1213114040 in words is "one billion, two hundred thirteen million, one hundred fourteen thousand, forty".