1146120523 has 4 divisors (see below), whose sum is σ = 1159929288. Its totient is φ = 1132311760.

The previous prime is 1146120509. The next prime is 1146120557. The reversal of 1146120523 is 3250216411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146120523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146120923) 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, 6904258 + ... + 6904423.

It is an arithmetic number, because the mean of its divisors is an integer number (289982322).

Almost surely, 2^1146120523 is an apocalyptic number.

1146120523 is a deficient number, since it is larger than the sum of its proper divisors (13808765).

1146120523 is an equidigital number, since it uses as much as digits as its factorization.

1146120523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808764.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1146120523 is about 33854.4018260551. The cubic root of 1146120523 is about 1046.5101135863.

Adding to 1146120523 its reverse (3250216411), we get a palindrome (4396336934).

The spelling of 1146120523 in words is "one billion, one hundred forty-six million, one hundred twenty thousand, five hundred twenty-three".