1252424977 has 8 divisors (see below), whose sum is σ = 1275746472. Its totient is φ = 1229193600.

The previous prime is 1252424963. The next prime is 1252424981. The reversal of 1252424977 is 7794242521.

It can be written as a sum of positive squares in 4 ways, for example, as 165997456 + 1086427521 = 12884^2 + 32961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252424977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252424917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5853 + ... + 50389.

It is an arithmetic number, because the mean of its divisors is an integer number (159468309).

Almost surely, 2^1252424977 is an apocalyptic number.

It is an amenable number.

1252424977 is a deficient number, since it is larger than the sum of its proper divisors (23321495).

1252424977 is an equidigital number, since it uses as much as digits as its factorization.

1252424977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45059.

The product of its digits is 282240, while the sum is 43.

The square root of 1252424977 is about 35389.6167964560. The cubic root of 1252424977 is about 1077.9134889838.

The spelling of 1252424977 in words is "one billion, two hundred fifty-two million, four hundred twenty-four thousand, nine hundred seventy-seven".