1298203970 has 32 divisors (see below), whose sum is σ = 2732704128. Its totient is φ = 434746368.

The previous prime is 1298203961. The next prime is 1298203979. The reversal of 1298203970 is 793028921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1298203961) and next prime (1298203979).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1298203979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212639 + ... + 218658.

It is an arithmetic number, because the mean of its divisors is an integer number (85397004).

Almost surely, 2^1298203970 is an apocalyptic number.

1298203970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1298203970 is an abundant number, since it is smaller than the sum of its proper divisors (1434500158).

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

1298203970 is a wasteful number, since it uses less digits than its factorization.

1298203970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431354.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1298203970 is about 36030.5976914067. The cubic root of 1298203970 is about 1090.8900426114.

The spelling of 1298203970 in words is "one billion, two hundred ninety-eight million, two hundred three thousand, nine hundred seventy".