1252941236 has 12 divisors (see below), whose sum is σ = 2195323620. Its totient is φ = 625705920.

The previous prime is 1252941227. The next prime is 1252941241. The reversal of 1252941236 is 6321492521.

It can be written as a sum of positive squares in 2 ways, for example, as 377136400 + 875804836 = 19420^2 + 29594^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1252941196 and 1252941205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187481 + ... + 194048.

It is an arithmetic number, because the mean of its divisors is an integer number (182943635).

Almost surely, 2^1252941236 is an apocalyptic number.

It is an amenable number.

1252941236 is a deficient number, since it is larger than the sum of its proper divisors (942382384).

1252941236 is a wasteful number, since it uses less digits than its factorization.

1252941236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382354 (or 382352 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1252941236 is about 35396.9099781323. The cubic root of 1252941236 is about 1078.0615766552.

The spelling of 1252941236 in words is "one billion, two hundred fifty-two million, nine hundred forty-one thousand, two hundred thirty-six".