1174270989 has 4 divisors (see below), whose sum is σ = 1565694656. Its totient is φ = 782847324.

The previous prime is 1174270973. The next prime is 1174270997. The reversal of 1174270989 is 9890724711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1174270989 - 2⁴ = 1174270973 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 (1174272989) 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, 195711829 + ... + 195711834.

It is an arithmetic number, because the mean of its divisors is an integer number (391423664).

Almost surely, 2^1174270989 is an apocalyptic number.

It is an amenable number.

1174270989 is a deficient number, since it is larger than the sum of its proper divisors (391423667).

1174270989 is an equidigital number, since it uses as much as digits as its factorization.

1174270989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391423666.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 1174270989 is about 34267.6376337792. The cubic root of 1174270989 is about 1055.0088688487.

The spelling of 1174270989 in words is "one billion, one hundred seventy-four million, two hundred seventy thousand, nine hundred eighty-nine".