1253420630 has 32 divisors (see below), whose sum is σ = 2812872960. Its totient is φ = 390676320.

The previous prime is 1253420593. The next prime is 1253420653. The reversal of 1253420630 is 360243521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253420630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813140 + ... + 814679.

It is an arithmetic number, because the mean of its divisors is an integer number (87902280).

Almost surely, 2^1253420630 is an apocalyptic number.

1253420630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253420630 is an abundant number, since it is smaller than the sum of its proper divisors (1559452330).

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

1253420630 is a wasteful number, since it uses less digits than its factorization.

1253420630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627844.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1253420630 is about 35403.6810233060. The cubic root of 1253420630 is about 1078.1990532681.

The spelling of 1253420630 in words is "one billion, two hundred fifty-three million, four hundred twenty thousand, six hundred thirty".