1220734132 has 12 divisors (see below), whose sum is σ = 2150433376. Its totient is φ = 606324600.

The previous prime is 1220734129. The next prime is 1220734153. The reversal of 1220734132 is 2314370221.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1220734097 and 1220734106.

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, 1009938 + ... + 1011145.

Almost surely, 2^1220734132 is an apocalyptic number.

It is an amenable number.

1220734132 is a deficient number, since it is larger than the sum of its proper divisors (929699244).

1220734132 is a wasteful number, since it uses less digits than its factorization.

1220734132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021238 (or 2021236 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1220734132 is about 34939.0058816790. The cubic root of 1220734132 is about 1068.7440155519.

The spelling of 1220734132 in words is "one billion, two hundred twenty million, seven hundred thirty-four thousand, one hundred thirty-two".