1150747973 has 4 divisors (see below), whose sum is σ = 1150890048. Its totient is φ = 1150605900.

The previous prime is 1150747909. The next prime is 1150747979. The reversal of 1150747973 is 3797470511.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1150747973 - 2⁶ = 1150747909 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 (1150747979) 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, 58103 + ... + 75348.

It is an arithmetic number, because the mean of its divisors is an integer number (287722512).

Almost surely, 2^1150747973 is an apocalyptic number.

It is an amenable number.

1150747973 is a deficient number, since it is larger than the sum of its proper divisors (142075).

1150747973 is an equidigital number, since it uses as much as digits as its factorization.

1150747973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142074.

The product of its (nonzero) digits is 185220, while the sum is 44.

The square root of 1150747973 is about 33922.6763832101. The cubic root of 1150747973 is about 1047.9166469869.

The spelling of 1150747973 in words is "one billion, one hundred fifty million, seven hundred forty-seven thousand, nine hundred seventy-three".