125405346 has 32 divisors (see below), whose sum is σ = 274026816. Its totient is φ = 37944000.

The previous prime is 125405341. The next prime is 125405359. The reversal of 125405346 is 643504521.

It is not an unprimeable number, because it can be changed into a prime (125405341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66456 + ... + 68316.

It is an arithmetic number, because the mean of its divisors is an integer number (8563338).

Almost surely, 2^125405346 is an apocalyptic number.

125405346 is an abundant number, since it is smaller than the sum of its proper divisors (148621470).

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

125405346 is a wasteful number, since it uses less digits than its factorization.

125405346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 125405346 is about 11198.4528395667. The cubic root of 125405346 is about 500.5398781866.

Adding to 125405346 its reverse (643504521), we get a palindrome (768909867).

It can be divided in two parts, 125405 and 346, that added together give a triangular number (125751 = T₅₀₁).

The spelling of 125405346 in words is "one hundred twenty-five million, four hundred five thousand, three hundred forty-six".