125501454 has 128 divisors (see below), whose sum is σ = 318259200. Its totient is φ = 36391680.

The previous prime is 125501449. The next prime is 125501459. The reversal of 125501454 is 454105521.

It is an interprime number because it is at equal distance from previous prime (125501449) and next prime (125501459).

It is a super-2 number, since 2×125501454² = 31501229912228232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125501459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1588587 + ... + 1588665.

It is an arithmetic number, because the mean of its divisors is an integer number (2486400).

Almost surely, 2^125501454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125501454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159129600).

125501454 is an abundant number, since it is smaller than the sum of its proper divisors (192757746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125501454 is a wasteful number, since it uses less digits than its factorization.

125501454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 125501454 is about 11202.7431462120. The cubic root of 125501454 is about 500.6677132544.

Adding to 125501454 its reverse (454105521), we get a palindrome (579606975).

The spelling of 125501454 in words is "one hundred twenty-five million, five hundred one thousand, four hundred fifty-four".