1195550628 has 12 divisors (see below), whose sum is σ = 2789618160. Its totient is φ = 398516872.

The previous prime is 1195550599. The next prime is 1195550633. The reversal of 1195550628 is 8260555911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1195550628² = 2858682608222388768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1195550628.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49814598 + ... + 49814621.

It is an arithmetic number, because the mean of its divisors is an integer number (232468180).

Almost surely, 2^1195550628 is an apocalyptic number.

It is an amenable number.

1195550628 is an abundant number, since it is smaller than the sum of its proper divisors (1594067532).

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

1195550628 is a wasteful number, since it uses less digits than its factorization.

1195550628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99629226 (or 99629224 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The square root of 1195550628 is about 34576.7353577517. The cubic root of 1195550628 is about 1061.3435638879.

The spelling of 1195550628 in words is "one billion, one hundred ninety-five million, five hundred fifty thousand, six hundred twenty-eight".