1197949152 has 48 divisors (see below), whose sum is σ = 3221325072. Its totient is φ = 389575680.

The previous prime is 1197949117. The next prime is 1197949153. The reversal of 1197949152 is 2519497911.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197949153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148243 + ... + 156114.

It is an arithmetic number, because the mean of its divisors is an integer number (67110939).

Almost surely, 2^1197949152 is an apocalyptic number.

1197949152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1197949152 is an abundant number, since it is smaller than the sum of its proper divisors (2023375920).

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

1197949152 is a wasteful number, since it uses less digits than its factorization.

1197949152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304411 (or 304403 counting only the distinct ones).

The product of its digits is 204120, while the sum is 48.

The square root of 1197949152 is about 34611.4020519250. The cubic root of 1197949152 is about 1062.0528486509.

The spelling of 1197949152 in words is "one billion, one hundred ninety-seven million, nine hundred forty-nine thousand, one hundred fifty-two".