1220132413 has 4 divisors (see below), whose sum is σ = 1220452128. Its totient is φ = 1219812700.

The previous prime is 1220132411. The next prime is 1220132437. The reversal of 1220132413 is 3142310221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3142310221 = 15971 ⋅196751.

It is a cyclic number.

It is not a de Polignac number, because 1220132413 - 2¹ = 1220132411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220132411) 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, 154063 + ... + 161788.

It is an arithmetic number, because the mean of its divisors is an integer number (305113032).

Almost surely, 2^1220132413 is an apocalyptic number.

It is an amenable number.

1220132413 is a deficient number, since it is larger than the sum of its proper divisors (319715).

1220132413 is an equidigital number, since it uses as much as digits as its factorization.

1220132413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319714.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1220132413 is about 34930.3938282980. The cubic root of 1220132413 is about 1068.5683864627.

Adding to 1220132413 its reverse (3142310221), we get a palindrome (4362442634).

The spelling of 1220132413 in words is "one billion, two hundred twenty million, one hundred thirty-two thousand, four hundred thirteen".