1255442252 has 12 divisors (see below), whose sum is σ = 2312656920. Its totient is φ = 594683136.

The previous prime is 1255442131. The next prime is 1255442257. The reversal of 1255442252 is 2522445521.

It is a super-2 number, since 2×1255442252² = 3152270496213663008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255442257) 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, 8259413 + ... + 8259564.

It is an arithmetic number, because the mean of its divisors is an integer number (192721410).

Almost surely, 2^1255442252 is an apocalyptic number.

It is an amenable number.

1255442252 is a deficient number, since it is larger than the sum of its proper divisors (1057214668).

1255442252 is a wasteful number, since it uses less digits than its factorization.

1255442252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16519000 (or 16518998 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 1255442252 is about 35432.2205344232. The cubic root of 1255442252 is about 1078.7784118781.

Adding to 1255442252 its reverse (2522445521), we get a palindrome (3777887773).

The spelling of 1255442252 in words is "one billion, two hundred fifty-five million, four hundred forty-two thousand, two hundred fifty-two".