1220410015 has 32 divisors (see below), whose sum is σ = 1720922112. Its totient is φ = 821568000.

The previous prime is 1220410013. The next prime is 1220410019. The reversal of 1220410015 is 5100140221.

It is not a de Polignac number, because 1220410015 - 2¹ = 1220410013 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 (1220410013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23655 + ... + 54775.

It is an arithmetic number, because the mean of its divisors is an integer number (53778816).

Almost surely, 2^1220410015 is an apocalyptic number.

1220410015 is a deficient number, since it is larger than the sum of its proper divisors (500512097).

1220410015 is a wasteful number, since it uses less digits than its factorization.

1220410015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31191.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1220410015 is about 34934.3672477404. The cubic root of 1220410015 is about 1068.6494198064.

Adding to 1220410015 its reverse (5100140221), we get a palindrome (6320550236).

The spelling of 1220410015 in words is "one billion, two hundred twenty million, four hundred ten thousand, fifteen".