1238967952 has 20 divisors (see below), whose sum is σ = 2401047340. Its totient is φ = 619342848.

The previous prime is 1238967943. The next prime is 1238967997. The reversal of 1238967952 is 2597698321.

It can be written as a sum of positive squares in 2 ways, for example, as 425349376 + 813618576 = 20624^2 + 28524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1238967952.

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 3 ways as a sum of consecutive naturals, for example, 126628 + ... + 136060.

It is an arithmetic number, because the mean of its divisors is an integer number (120052367).

Almost surely, 2^1238967952 is an apocalyptic number.

It is an amenable number.

1238967952 is a deficient number, since it is larger than the sum of its proper divisors (1162079388).

1238967952 is an equidigital number, since it uses as much as digits as its factorization.

1238967952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17650 (or 17644 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 1238967952 is about 35198.9765760313. The cubic root of 1238967952 is about 1074.0389325009.

The spelling of 1238967952 in words is "one billion, two hundred thirty-eight million, nine hundred sixty-seven thousand, nine hundred fifty-two".