1220003132 has 12 divisors (see below), whose sum is σ = 2136258096. Its totient is φ = 609643680.

The previous prime is 1220003119. The next prime is 1220003143. The reversal of 1220003132 is 2313000221.

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, 81728 + ... + 95495.

It is an arithmetic number, because the mean of its divisors is an integer number (178021508).

Almost surely, 2^1220003132 is an apocalyptic number.

It is an amenable number.

1220003132 is a deficient number, since it is larger than the sum of its proper divisors (916254964).

1220003132 is a wasteful number, since it uses less digits than its factorization.

1220003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178948 (or 178946 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1220003132 is about 34928.5432275668. The cubic root of 1220003132 is about 1068.5306445293.

Adding to 1220003132 its reverse (2313000221), we get a palindrome (3533003353).

The spelling of 1220003132 in words is "one billion, two hundred twenty million, three thousand, one hundred thirty-two".