1220131032 has 16 divisors (see below), whose sum is σ = 3050327640. Its totient is φ = 406710336.

The previous prime is 1220131027. The next prime is 1220131039. The reversal of 1220131032 is 2301310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220131039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25419373 + ... + 25419420.

Almost surely, 2^1220131032 is an apocalyptic number.

1220131032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220131032 is an abundant number, since it is smaller than the sum of its proper divisors (1830196608).

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

1220131032 is a wasteful number, since it uses less digits than its factorization.

1220131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50838802 (or 50838798 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1220131032 is about 34930.3740604077. The cubic root of 1220131032 is about 1068.5679833115.

Adding to 1220131032 its reverse (2301310221), we get a palindrome (3521441253).

The spelling of 1220131032 in words is "one billion, two hundred twenty million, one hundred thirty-one thousand, thirty-two".