1225513074 has 16 divisors (see below), whose sum is σ = 2451369312. Its totient is φ = 408447168.

The previous prime is 1225513073. The next prime is 1225513097. The reversal of 1225513074 is 4703155221.

It is not an unprimeable number, because it can be changed into a prime (1225513073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75877 + ... + 90599.

It is an arithmetic number, because the mean of its divisors is an integer number (153210582).

Almost surely, 2^1225513074 is an apocalyptic number.

1225513074 is an abundant number, since it is smaller than the sum of its proper divisors (1225856238).

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

1225513074 is a wasteful number, since it uses less digits than its factorization.

1225513074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28601.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1225513074 is about 35007.3288612542. The cubic root of 1225513074 is about 1070.1368427773.

Adding to 1225513074 its reverse (4703155221), we get a palindrome (5928668295).

The spelling of 1225513074 in words is "one billion, two hundred twenty-five million, five hundred thirteen thousand, seventy-four".