1298750423038 has 4 divisors (see below), whose sum is σ = 1948125634560. Its totient is φ = 649375211518.

The previous prime is 1298750423027. The next prime is 1298750423051. The reversal of 1298750423038 is 8303240578921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1298750423038² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324687605758 + ... + 324687605761.

It is an arithmetic number, because the mean of its divisors is an integer number (487031408640).

Almost surely, 2^{1298750423038} is an apocalyptic number.

1298750423038 is a deficient number, since it is larger than the sum of its proper divisors (649375211522).

1298750423038 is an equidigital number, since it uses as much as digits as its factorization.

1298750423038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649375211521.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 1298750423038 in words is "one trillion, two hundred ninety-eight billion, seven hundred fifty million, four hundred twenty-three thousand, thirty-eight".