1297474416 has 160 divisors (see below), whose sum is σ = 4269726720. Its totient is φ = 369536256.

The previous prime is 1297474411. The next prime is 1297474429. The reversal of 1297474416 is 6144747921.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297474411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1520646 + ... + 1521498.

It is an arithmetic number, because the mean of its divisors is an integer number (26685792).

Almost surely, 2^1297474416 is an apocalyptic number.

1297474416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297474416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134863360).

1297474416 is an abundant number, since it is smaller than the sum of its proper divisors (2972252304).

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

1297474416 is a wasteful number, since it uses less digits than its factorization.

1297474416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1368 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1297474416 is about 36020.4721790262. The cubic root of 1297474416 is about 1090.6856545123.

The spelling of 1297474416 in words is "one billion, two hundred ninety-seven million, four hundred seventy-four thousand, four hundred sixteen".