1026125231 has 4 divisors (see below), whose sum is σ = 1028506464. Its totient is φ = 1023744000.

The previous prime is 1026125213. The next prime is 1026125239. The reversal of 1026125231 is 1325216201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1325216201 = 113 ⋅11727577.

It is a cyclic number.

It is not a de Polignac number, because 1026125231 - 2¹⁴ = 1026108847 is a prime.

It is a super-2 number, since 2×1026125231² = 2105865979389606722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026125197 and 1026125206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026125239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189970 + ... + 1190831.

It is an arithmetic number, because the mean of its divisors is an integer number (257126616).

Almost surely, 2^1026125231 is an apocalyptic number.

1026125231 is a deficient number, since it is larger than the sum of its proper divisors (2381233).

1026125231 is an equidigital number, since it uses as much as digits as its factorization.

1026125231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381232.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1026125231 is about 32033.1895227434. The cubic root of 1026125231 is about 1008.6336558032.

The spelling of 1026125231 in words is "one billion, twenty-six million, one hundred twenty-five thousand, two hundred thirty-one".