1298100 has 36 divisors (see below), whose sum is σ = 3756704. Its totient is φ = 346080.

The previous prime is 1298057. The next prime is 1298111. The reversal of 1298100 is 18921.

It is a super-2 number, since 2×1298100² = 3370127220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1864 + ... + 2463.

2^1298100 is an apocalyptic number.

1298100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1298100 is an abundant number, since it is smaller than the sum of its proper divisors (2458604).

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

1298100 is a wasteful number, since it uses less digits than its factorization.

1298100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1298100 is about 1139.3419153178. The cubic root of 1298100 is about 109.0860919590.

The spelling of 1298100 in words is "one million, two hundred ninety-eight thousand, one hundred".