1252061224 has 16 divisors (see below), whose sum is σ = 2349868500. Its totient is φ = 625429632.

The previous prime is 1252061219. The next prime is 1252061231. The reversal of 1252061224 is 4221602521.

It can be written as a sum of positive squares in 2 ways, for example, as 1242562500 + 9498724 = 35250^2 + 3082^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66207 + ... + 82990.

Almost surely, 2^1252061224 is an apocalyptic number.

It is an amenable number.

1252061224 is a deficient number, since it is larger than the sum of its proper divisors (1097807276).

1252061224 is a wasteful number, since it uses less digits than its factorization.

1252061224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150252 (or 150248 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1252061224 is about 35384.4771616029. The cubic root of 1252061224 is about 1077.8091228572.

Adding to 1252061224 its reverse (4221602521), we get a palindrome (5473663745).

The spelling of 1252061224 in words is "one billion, two hundred fifty-two million, sixty-one thousand, two hundred twenty-four".