1298812474 has 8 divisors (see below), whose sum is σ = 1948466880. Its totient is φ = 649323516.

The previous prime is 1298812441. The next prime is 1298812477. The reversal of 1298812474 is 4742188921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1298812477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19404 + ... + 54535.

It is an arithmetic number, because the mean of its divisors is an integer number (243558360).

Almost surely, 2^1298812474 is an apocalyptic number.

1298812474 is a deficient number, since it is larger than the sum of its proper divisors (649654406).

1298812474 is an equidigital number, since it uses as much as digits as its factorization.

1298812474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82724.

The product of its digits is 258048, while the sum is 46.

The square root of 1298812474 is about 36039.0409694820. The cubic root of 1298812474 is about 1091.0604594030.

It can be divided in two parts, 129881 and 2474, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 1298812474 in words is "one billion, two hundred ninety-eight million, eight hundred twelve thousand, four hundred seventy-four".