125404340 has 24 divisors (see below), whose sum is σ = 269475360. Its totient is φ = 48994848.

The previous prime is 125404339. The next prime is 125404343. The reversal of 125404340 is 43404521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125404343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72050 + ... + 73769.

It is an arithmetic number, because the mean of its divisors is an integer number (11228140).

Almost surely, 2^125404340 is an apocalyptic number.

125404340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125404340 is an abundant number, since it is smaller than the sum of its proper divisors (144071020).

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

125404340 is a wasteful number, since it uses less digits than its factorization.

125404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145871 (or 145869 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 125404340 is about 11198.4079225576. The cubic root of 125404340 is about 500.5385397416.

Adding to 125404340 its reverse (43404521), we get a palindrome (168808861).

The spelling of 125404340 in words is "one hundred twenty-five million, four hundred four thousand, three hundred forty".