1198733955 has 16 divisors (see below), whose sum is σ = 1969812384. Its totient is φ = 622045440.

The previous prime is 1198733911. The next prime is 1198733981. The reversal of 1198733955 is 5593378911.

It is not a de Polignac number, because 1198733955 - 2⁷ = 1198733827 is a prime.

It is a super-4 number, since 4×1198733955⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1198733898 and 1198733907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079386 + ... + 1080495.

It is an arithmetic number, because the mean of its divisors is an integer number (123113274).

Almost surely, 2^1198733955 is an apocalyptic number.

1198733955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1198733955 is a deficient number, since it is larger than the sum of its proper divisors (771078429).

1198733955 is a wasteful number, since it uses less digits than its factorization.

1198733955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159926.

The product of its digits is 1020600, while the sum is 51.

The square root of 1198733955 is about 34622.7375434121. The cubic root of 1198733955 is about 1062.2847227977.

The spelling of 1198733955 in words is "one billion, one hundred ninety-eight million, seven hundred thirty-three thousand, nine hundred fifty-five".