1198370970 has 128 divisors (see below), whose sum is σ = 3411175680. Its totient is φ = 298321920.

The previous prime is 1198370963. The next prime is 1198371017. The reversal of 1198370970 is 790738911.

1198370970 is a `hidden beast` number, since 1 + 198 + 370 + 97 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 600294 + ... + 602286.

It is an arithmetic number, because the mean of its divisors is an integer number (26649810).

Almost surely, 2^1198370970 is an apocalyptic number.

1198370970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198370970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705587840).

1198370970 is an abundant number, since it is smaller than the sum of its proper divisors (2212804710).

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

1198370970 is a wasteful number, since it uses less digits than its factorization.

1198370970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 1198370970 is about 34617.4951433520. The cubic root of 1198370970 is about 1062.1774895663.

The spelling of 1198370970 in words is "one billion, one hundred ninety-eight million, three hundred seventy thousand, nine hundred seventy".