1298750423039 has 8 divisors (see below), whose sum is σ = 1323727721712. Its totient is φ = 1273790627200.

The previous prime is 1298750423027. The next prime is 1298750423051. The reversal of 1298750423039 is 9303240578921.

It is an interprime number because it is at equal distance from previous prime (1298750423027) and next prime (1298750423051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1298750423039 - 2⁴ = 1298750423023 is a prime.

It is a super-2 number, since 2×1298750423039² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298750428039) 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, 4225829 + ... + 4522734.

It is an arithmetic number, because the mean of its divisors is an integer number (165465965214).

Almost surely, 2^{1298750423039} is an apocalyptic number.

1298750423039 is a deficient number, since it is larger than the sum of its proper divisors (24977298673).

1298750423039 is an equidigital number, since it uses as much as digits as its factorization.

1298750423039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751417.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 1298750423039 in words is "one trillion, two hundred ninety-eight billion, seven hundred fifty million, four hundred twenty-three thousand, thirty-nine".