1239027229456 has 15 divisors (see below), whose sum is σ = 2400623883751. Its totient is φ = 619511388496.

The previous prime is 1239027229403. The next prime is 1239027229483. The reversal of 1239027229456 is 6549227209321.

The square root of 1239027229456 is 1113116.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1239027229456² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 4313325 + ... + 4591603.

Almost surely, 2^{1239027229456} is an apocalyptic number.

1239027229456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1239027229456 is the 1113116-th square number.

It is an amenable number.

1239027229456 is a deficient number, since it is larger than the sum of its proper divisors (1161596654295).

1239027229456 is an frugal number, since it uses more digits than its factorization.

1239027229456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556566 (or 278281 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 1239027229456 in words is "one trillion, two hundred thirty-nine billion, twenty-seven million, two hundred twenty-nine thousand, four hundred fifty-six".