1295498500 has 24 divisors (see below), whose sum is σ = 2829369816. Its totient is φ = 518199200.

The previous prime is 1295498497. The next prime is 1295498509. The reversal of 1295498500 is 58945921.

It can be written as a sum of positive squares in 4 ways, for example, as 29419776 + 1266078724 = 5424^2 + 35582^2 .

It is not an unprimeable number, because it can be changed into a prime (1295498509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294999 + ... + 1295998.

It is an arithmetic number, because the mean of its divisors is an integer number (117890409).

Almost surely, 2^1295498500 is an apocalyptic number.

1295498500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1295498500 is an abundant number, since it is smaller than the sum of its proper divisors (1533871316).

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

1295498500 is a wasteful number, since it uses less digits than its factorization.

1295498500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591016 (or 2591004 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 1295498500 is about 35993.0340482711. The cubic root of 1295498500 is about 1090.1317070039.

The spelling of 1295498500 in words is "one billion, two hundred ninety-five million, four hundred ninety-eight thousand, five hundred".