1146121252 has 6 divisors (see below), whose sum is σ = 2005712198. Its totient is φ = 573060624.

The previous prime is 1146121247. The next prime is 1146121259. The reversal of 1146121252 is 2521216411.

It can be written as a sum of positive squares in only one way, i.e., 732568356 + 413552896 = 27066^2 + 20336^2 .

It is not an unprimeable number, because it can be changed into a prime (1146121259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143265153 + ... + 143265160.

Almost surely, 2^1146121252 is an apocalyptic number.

It is an amenable number.

1146121252 is a deficient number, since it is larger than the sum of its proper divisors (859590946).

1146121252 is a wasteful number, since it uses less digits than its factorization.

1146121252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286530317 (or 286530315 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1146121252 is about 33854.4125927478. The cubic root of 1146121252 is about 1046.5103354669.

Adding to 1146121252 its reverse (2521216411), we get a palindrome (3667337663).

The spelling of 1146121252 in words is "one billion, one hundred forty-six million, one hundred twenty-one thousand, two hundred fifty-two".