1213432254 has 48 divisors (see below), whose sum is σ = 2662957440. Its totient is φ = 399297600.

The previous prime is 1213432237. The next prime is 1213432271. The reversal of 1213432254 is 4522343121.

It is an interprime number because it is at equal distance from previous prime (1213432237) and next prime (1213432271).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620979 + ... + 622929.

It is an arithmetic number, because the mean of its divisors is an integer number (55478280).

Almost surely, 2^1213432254 is an apocalyptic number.

1213432254 is an abundant number, since it is smaller than the sum of its proper divisors (1449525186).

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

1213432254 is a wasteful number, since it uses less digits than its factorization.

1213432254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2382 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1213432254 is about 34834.3545081576. The cubic root of 1213432254 is about 1066.6088386402.

Adding to 1213432254 its reverse (4522343121), we get a palindrome (5735775375).

The spelling of 1213432254 in words is "one billion, two hundred thirteen million, four hundred thirty-two thousand, two hundred fifty-four".