125485269122 has 4 divisors (see below), whose sum is σ = 188227903686. Its totient is φ = 62742634560.

The previous prime is 125485269101. The next prime is 125485269127. The reversal of 125485269122 is 221962584521.

It is a Cunningham number, because it is equal to 354239²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221962584521 = 226307 ⋅980803.

It can be written as a sum of positive squares in only one way, i.e., 125485269121 + 1 = 354239^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (125485269127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31371317279 + ... + 31371317282.

Almost surely, 2^125485269122 is an apocalyptic number.

125485269122 is a deficient number, since it is larger than the sum of its proper divisors (62742634564).

125485269122 is an equidigital number, since it uses as much as digits as its factorization.

125485269122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62742634563.

The product of its digits is 691200, while the sum is 47.

The spelling of 125485269122 in words is "one hundred twenty-five billion, four hundred eighty-five million, two hundred sixty-nine thousand, one hundred twenty-two".