1297470150 has 120 divisors (see below), whose sum is σ = 3729694320. Its totient is φ = 334031040.

The previous prime is 1297470149. The next prime is 1297470197. The reversal of 1297470150 is 510747921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 111927 + ... + 122973.

It is an arithmetic number, because the mean of its divisors is an integer number (31080786).

Almost surely, 2^1297470150 is an apocalyptic number.

1297470150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297470150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864847160).

1297470150 is an abundant number, since it is smaller than the sum of its proper divisors (2432224170).

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

1297470150 is a wasteful number, since it uses less digits than its factorization.

1297470150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100 (or 11086 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1297470150 is about 36020.4129626522. The cubic root of 1297470150 is about 1090.6844591464.

The spelling of 1297470150 in words is "one billion, two hundred ninety-seven million, four hundred seventy thousand, one hundred fifty".