1252071152 has 40 divisors (see below), whose sum is σ = 2551443840. Its totient is φ = 594397440.

The previous prime is 1252071137. The next prime is 1252071167. The reversal of 1252071152 is 2511702521.

It is an interprime number because it is at equal distance from previous prime (1252071137) and next prime (1252071167).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (63786096).

Almost surely, 2^1252071152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252071152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275721920).

1252071152 is an abundant number, since it is smaller than the sum of its proper divisors (1299372688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252071152 is a wasteful number, since it uses less digits than its factorization.

1252071152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47721 (or 47715 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1252071152 is about 35384.6174488294. The cubic root of 1252071152 is about 1077.8119716158.

Adding to 1252071152 its reverse (2511702521), we get a palindrome (3763773673).

The spelling of 1252071152 in words is "one billion, two hundred fifty-two million, seventy-one thousand, one hundred fifty-two".