1146523971 has 8 divisors (see below), whose sum is σ = 1537853184. Its totient is φ = 759772040.

The previous prime is 1146523967. The next prime is 1146523997. The reversal of 1146523971 is 1793256411.

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 1146523971 - 2² = 1146523967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146523901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143735 + ... + 1144736.

It is an arithmetic number, because the mean of its divisors is an integer number (192231648).

Almost surely, 2^1146523971 is an apocalyptic number.

1146523971 is a deficient number, since it is larger than the sum of its proper divisors (391329213).

1146523971 is a wasteful number, since it uses less digits than its factorization.

1146523971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288641.

The product of its digits is 45360, while the sum is 39.

The square root of 1146523971 is about 33860.3598770007. The cubic root of 1146523971 is about 1046.6328938328.

The spelling of 1146523971 in words is "one billion, one hundred forty-six million, five hundred twenty-three thousand, nine hundred seventy-one".