1140101252 has 12 divisors (see below), whose sum is σ = 2005306380. Its totient is φ = 567156576.

The previous prime is 1140101233. The next prime is 1140101257. The reversal of 1140101252 is 2521010411.

It can be written as a sum of positive squares in 2 ways, for example, as 1126676356 + 13424896 = 33566^2 + 3664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1140101252.

It is not an unprimeable number, because it can be changed into a prime (1140101257) 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, 722627 + ... + 724202.

It is an arithmetic number, because the mean of its divisors is an integer number (167108865).

Almost surely, 2^1140101252 is an apocalyptic number.

It is an amenable number.

1140101252 is a deficient number, since it is larger than the sum of its proper divisors (865205128).

1140101252 is a wasteful number, since it uses less digits than its factorization.

1140101252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447030 (or 1447028 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1140101252 is about 33765.3854116905. The cubic root of 1140101252 is about 1044.6748534760.

Adding to 1140101252 its reverse (2521010411), we get a palindrome (3661111663).

The spelling of 1140101252 in words is "one billion, one hundred forty million, one hundred one thousand, two hundred fifty-two".