125554454101 has 4 divisors (see below), whose sum is σ = 126385940704. Its totient is φ = 124722967500.

The previous prime is 125554454099. The next prime is 125554454131. The reversal of 125554454101 is 101454455521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101454455521 = 937 ⋅108275833.

It is a cyclic number.

It is not a de Polignac number, because 125554454101 - 2¹ = 125554454099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125554454131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415743075 + ... + 415743376.

It is an arithmetic number, because the mean of its divisors is an integer number (31596485176).

Almost surely, 2^125554454101 is an apocalyptic number.

It is an amenable number.

125554454101 is a deficient number, since it is larger than the sum of its proper divisors (831486603).

125554454101 is an equidigital number, since it uses as much as digits as its factorization.

125554454101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831486602.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 125554454101 in words is "one hundred twenty-five billion, five hundred fifty-four million, four hundred fifty-four thousand, one hundred one".