125223700019 has 4 divisors (see below), whose sum is σ = 136607672760. Its totient is φ = 113839727280.

The previous prime is 125223699977. The next prime is 125223700037. The reversal of 125223700019 is 910007322521.

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

It is a cyclic number.

It is not a de Polignac number, because 125223700019 - 2³² = 120928732723 is a prime.

It is a super-2 number, since 2×125223700019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125223708019) 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, 5691986354 + ... + 5691986375.

It is an arithmetic number, because the mean of its divisors is an integer number (34151918190).

Almost surely, 2^125223700019 is an apocalyptic number.

125223700019 is a deficient number, since it is larger than the sum of its proper divisors (11383972741).

125223700019 is a wasteful number, since it uses less digits than its factorization.

125223700019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11383972740.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 125223700019 in words is "one hundred twenty-five billion, two hundred twenty-three million, seven hundred thousand, nineteen".