126703025643 has 16 divisors (see below), whose sum is σ = 178063781120. Its totient is φ = 79917225696.

The previous prime is 126703025633. The next prime is 126703025653. The reversal of 126703025643 is 346520307621.

It is an interprime number because it is at equal distance from previous prime (126703025633) and next prime (126703025653).

It is not a de Polignac number, because 126703025643 - 2⁴ = 126703025627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126703025633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425055 + ... + 1511352.

It is an arithmetic number, because the mean of its divisors is an integer number (11128986320).

Almost surely, 2^126703025643 is an apocalyptic number.

126703025643 is a deficient number, since it is larger than the sum of its proper divisors (51360755477).

126703025643 is a wasteful number, since it uses less digits than its factorization.

126703025643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937186.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 126703025643 in words is "one hundred twenty-six billion, seven hundred three million, twenty-five thousand, six hundred forty-three".