1198267456 has 21 divisors (see below), whose sum is σ = 2378361639. Its totient is φ = 598995264.

The previous prime is 1198267451. The next prime is 1198267487. The reversal of 1198267456 is 6547628911.

It is a happy number.

The square root of 1198267456 is 34616.

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

It is a super-2 number, since 2×1198267456² = 2871689792217423872, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198267451) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 274765 + ... + 279091.

Almost surely, 2^1198267456 is an apocalyptic number.

1198267456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1198267456 is the 34616-th square number.

It is an amenable number.

1198267456 is a deficient number, since it is larger than the sum of its proper divisors (1180094183).

1198267456 is an frugal number, since it uses more digits than its factorization.

1198267456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666 (or 4329 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The cubic root of 1198267456 is about 1062.1469054346.

Multiplying 1198267456 by its sum of digits (49), we get a square (58715105344 = 242312²).

The spelling of 1198267456 in words is "one billion, one hundred ninety-eight million, two hundred sixty-seven thousand, four hundred fifty-six".