1298147152 has 10 divisors (see below), whose sum is σ = 2515160138. Its totient is φ = 649073568.

The previous prime is 1298147131. The next prime is 1298147233. The reversal of 1298147152 is 2517418921.

It can be written as a sum of positive squares in only one way, i.e., 730945296 + 567201856 = 27036^2 + 23816^2 .

It is a super-2 number, since 2×1298147152² = 3370372056491422208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40567083 + ... + 40567114.

Almost surely, 2^1298147152 is an apocalyptic number.

It is an amenable number.

1298147152 is a deficient number, since it is larger than the sum of its proper divisors (1217012986).

1298147152 is an equidigital number, since it uses as much as digits as its factorization.

1298147152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81134205 (or 81134199 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 1298147152 is about 36029.8092140383. The cubic root of 1298147152 is about 1090.8741275225.

The spelling of 1298147152 in words is "one billion, two hundred ninety-eight million, one hundred forty-seven thousand, one hundred fifty-two".