1220153152 has 28 divisors (see below), whose sum is σ = 2423607040. Its totient is φ = 609480576.

The previous prime is 1220153119. The next prime is 1220153161. The reversal of 1220153152 is 2513510221.

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, 60799 + ... + 78337.

Almost surely, 2^1220153152 is an apocalyptic number.

It is an amenable number.

1220153152 is a deficient number, since it is larger than the sum of its proper divisors (1203453888).

1220153152 is a wasteful number, since it uses less digits than its factorization.

1220153152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18638 (or 18628 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1220153152 is about 34930.6906888484. The cubic root of 1220153152 is about 1068.5744407002.

Adding to 1220153152 its reverse (2513510221), we get a palindrome (3733663373).

The spelling of 1220153152 in words is "one billion, two hundred twenty million, one hundred fifty-three thousand, one hundred fifty-two".