1225676830 has 16 divisors (see below), whose sum is σ = 2521392480. Its totient is φ = 420232032.

The previous prime is 1225676827. The next prime is 1225676849. The reversal of 1225676830 is 386765221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8754765 + ... + 8754904.

It is an arithmetic number, because the mean of its divisors is an integer number (157587030).

Almost surely, 2^1225676830 is an apocalyptic number.

1225676830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225676830 is an abundant number, since it is smaller than the sum of its proper divisors (1295715650).

1225676830 is a wasteful number, since it uses less digits than its factorization.

1225676830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17509683.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1225676830 is about 35009.6676648037. The cubic root of 1225676830 is about 1070.1845054060.

The spelling of 1225676830 in words is "one billion, two hundred twenty-five million, six hundred seventy-six thousand, eight hundred thirty".