1230645626 has 16 divisors (see below), whose sum is σ = 2177733120. Its totient is φ = 510405840.

The previous prime is 1230645617. The next prime is 1230645629. The reversal of 1230645626 is 6265460321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1230645629) 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, 1417361 + ... + 1418228.

It is an arithmetic number, because the mean of its divisors is an integer number (136108320).

Almost surely, 2^1230645626 is an apocalyptic number.

1230645626 is a deficient number, since it is larger than the sum of its proper divisors (947087494).

1230645626 is a wasteful number, since it uses less digits than its factorization.

1230645626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835629.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1230645626 is about 35080.5590890453. The cubic root of 1230645626 is about 1071.6287031172.

The spelling of 1230645626 in words is "one billion, two hundred thirty million, six hundred forty-five thousand, six hundred twenty-six".