1298114500 has 24 divisors (see below), whose sum is σ = 2835083160. Its totient is φ = 519245600.

The previous prime is 1298114497. The next prime is 1298114537. The reversal of 1298114500 is 54118921.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 285474816 + 1012639684 = 16896^2 + 31822^2 .

It is a super-2 number, since 2×1298114500² = 3370202510220500000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297615 + ... + 1298614.

It is an arithmetic number, because the mean of its divisors is an integer number (118128465).

Almost surely, 2^1298114500 is an apocalyptic number.

1298114500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1298114500 is an abundant number, since it is smaller than the sum of its proper divisors (1536968660).

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

1298114500 is a wasteful number, since it uses less digits than its factorization.

1298114500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596248 (or 2596236 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1298114500 is about 36029.3560863916. The cubic root of 1298114500 is about 1090.8649812763.

The spelling of 1298114500 in words is "one billion, two hundred ninety-eight million, one hundred fourteen thousand, five hundred".