1225660510 has 64 divisors (see below), whose sum is σ = 2313204480. Its totient is φ = 467251200.

The previous prime is 1225660487. The next prime is 1225660511. The reversal of 1225660510 is 150665221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225660511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3056310 + ... + 3056710.

It is an arithmetic number, because the mean of its divisors is an integer number (36143820).

Almost surely, 2^1225660510 is an apocalyptic number.

1225660510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225660510 is a deficient number, since it is larger than the sum of its proper divisors (1087543970).

1225660510 is a wasteful number, since it uses less digits than its factorization.

1225660510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1225660510 is about 35009.4345855514. The cubic root of 1225660510 is about 1070.1797555165.

The spelling of 1225660510 in words is "one billion, two hundred twenty-five million, six hundred sixty thousand, five hundred ten".