1198954520 has 32 divisors (see below), whose sum is σ = 2707700400. Its totient is φ = 477794688.

The previous prime is 1198954483. The next prime is 1198954567. The reversal of 1198954520 is 254598911.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 44954 + ... + 66473.

Almost surely, 2^1198954520 is an apocalyptic number.

1198954520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198954520 is an abundant number, since it is smaller than the sum of its proper divisors (1508745880).

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

1198954520 is a wasteful number, since it uses less digits than its factorization.

1198954520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111707 (or 111703 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 1198954520 is about 34625.9226591870. The cubic root of 1198954520 is about 1062.3498716602.

The spelling of 1198954520 in words is "one billion, one hundred ninety-eight million, nine hundred fifty-four thousand, five hundred twenty".