1282397952 has 72 divisors (see below), whose sum is σ = 3723350400. Its totient is φ = 388602880.

The previous prime is 1282397933. The next prime is 1282397969. The reversal of 1282397952 is 2597932821.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67452 + ... + 84347.

It is an arithmetic number, because the mean of its divisors is an integer number (51713200).

Almost surely, 2^1282397952 is an apocalyptic number.

1282397952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1282397952 is an abundant number, since it is smaller than the sum of its proper divisors (2440952448).

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

1282397952 is a wasteful number, since it uses less digits than its factorization.

1282397952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151829 (or 151815 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 1282397952 is about 35810.5843571422. The cubic root of 1282397952 is about 1086.4446490023. Note that the first 3 decimals are identical.

The spelling of 1282397952 in words is "one billion, two hundred eighty-two million, three hundred ninety-seven thousand, nine hundred fifty-two".