1213672234 has 16 divisors (see below), whose sum is σ = 1999644480. Its totient is φ = 549901440.

The previous prime is 1213672219. The next prime is 1213672247. The reversal of 1213672234 is 4322763121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213672196 and 1213672205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693447 + ... + 695194.

It is an arithmetic number, because the mean of its divisors is an integer number (124977780).

Almost surely, 2^1213672234 is an apocalyptic number.

1213672234 is a deficient number, since it is larger than the sum of its proper divisors (785972246).

1213672234 is a wasteful number, since it uses less digits than its factorization.

1213672234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388685.

The product of its digits is 12096, while the sum is 31.

The square root of 1213672234 is about 34837.7989258793. The cubic root of 1213672234 is about 1066.6791482697.

The spelling of 1213672234 in words is "one billion, two hundred thirteen million, six hundred seventy-two thousand, two hundred thirty-four".