1170787151 has 4 divisors (see below), whose sum is σ = 1178244552. Its totient is φ = 1163329752.

The previous prime is 1170787139. The next prime is 1170787157. The reversal of 1170787151 is 1517870711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1517870711 = 7 ⋅216838673.

It is a cyclic number.

It is not a de Polignac number, because 1170787151 - 2¹⁴ = 1170770767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170787157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728465 + ... + 3728778.

It is an arithmetic number, because the mean of its divisors is an integer number (294561138).

Almost surely, 2^1170787151 is an apocalyptic number.

1170787151 is a deficient number, since it is larger than the sum of its proper divisors (7457401).

1170787151 is an equidigital number, since it uses as much as digits as its factorization.

1170787151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457400.

The product of its (nonzero) digits is 13720, while the sum is 38.

The square root of 1170787151 is about 34216.7671032785. The cubic root of 1170787151 is about 1053.9644986704.

The spelling of 1170787151 in words is "one billion, one hundred seventy million, seven hundred eighty-seven thousand, one hundred fifty-one".