1256152150 has 48 divisors (see below), whose sum is σ = 2574196848. Its totient is φ = 452240000.

The previous prime is 1256152103. The next prime is 1256152169. The reversal of 1256152150 is 512516521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44244 + ... + 66856.

It is an arithmetic number, because the mean of its divisors is an integer number (53629101).

Almost surely, 2^1256152150 is an apocalyptic number.

1256152150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1256152150 is an abundant number, since it is smaller than the sum of its proper divisors (1318044698).

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

1256152150 is a wasteful number, since it uses less digits than its factorization.

1256152150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22737 (or 22732 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 1256152150 is about 35442.2368086440. The cubic root of 1256152150 is about 1078.9817076581.

Adding to 1256152150 its reverse (512516521), we get a palindrome (1768668671).

It can be divided in two parts, 125615 and 2150, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 1256152150 in words is "one billion, two hundred fifty-six million, one hundred fifty-two thousand, one hundred fifty".