1197657151 has 8 divisors (see below), whose sum is σ = 1215626544. Its totient is φ = 1179821760.

The previous prime is 1197657137. The next prime is 1197657161. The reversal of 1197657151 is 1517567911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1197657151 - 2⁵ = 1197657119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1197657098 and 1197657107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197657161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15420 + ... + 51313.

It is an arithmetic number, because the mean of its divisors is an integer number (151953318).

Almost surely, 2^1197657151 is an apocalyptic number.

1197657151 is a deficient number, since it is larger than the sum of its proper divisors (17969393).

1197657151 is a wasteful number, since it uses less digits than its factorization.

1197657151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67001.

The product of its digits is 66150, while the sum is 43.

The square root of 1197657151 is about 34607.1835172988. The cubic root of 1197657151 is about 1061.9665495805.

The spelling of 1197657151 in words is "one billion, one hundred ninety-seven million, six hundred fifty-seven thousand, one hundred fifty-one".