1030240125155 has 4 divisors (see below), whose sum is σ = 1236288150192. Its totient is φ = 824192100120.

The previous prime is 1030240125149. The next prime is 1030240125181. The reversal of 1030240125155 is 5515210420301.

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

It is not a de Polignac number, because 1030240125155 - 2⁸ = 1030240124899 is a prime.

It is a super-2 number, since 2×1030240125155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103024012511 + ... + 103024012520.

It is an arithmetic number, because the mean of its divisors is an integer number (309072037548).

Almost surely, 2^{1030240125155} is an apocalyptic number.

1030240125155 is a deficient number, since it is larger than the sum of its proper divisors (206048025037).

1030240125155 is an equidigital number, since it uses as much as digits as its factorization.

1030240125155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206048025036.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 1030240125155 its reverse (5515210420301), we get a palindrome (6545450545456).

The spelling of 1030240125155 in words is "one trillion, thirty billion, two hundred forty million, one hundred twenty-five thousand, one hundred fifty-five".