1273152032 has 48 divisors (see below), whose sum is σ = 2699010720. Its totient is φ = 588960768.

The previous prime is 1273151987. The next prime is 1273152037. The reversal of 1273152032 is 2302513721.

It is a junction number, because it is equal to n+sod(n) for n = 1273151992 and 1273152010.

It is not an unprimeable number, because it can be changed into a prime (1273152037) 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, 12263 + ... + 51929.

It is an arithmetic number, because the mean of its divisors is an integer number (56229390).

Almost surely, 2^1273152032 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 1273152032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349505360).

1273152032 is an abundant number, since it is smaller than the sum of its proper divisors (1425858688).

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

1273152032 is a wasteful number, since it uses less digits than its factorization.

1273152032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39753 (or 39745 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1273152032 is about 35681.2560317038. The cubic root of 1273152032 is about 1083.8273078112.

Adding to 1273152032 its reverse (2302513721), we get a palindrome (3575665753).

The spelling of 1273152032 in words is "one billion, two hundred seventy-three million, one hundred fifty-two thousand, thirty-two".