125142450 has 24 divisors (see below), whose sum is σ = 310353648. Its totient is φ = 33371280.

The previous prime is 125142439. The next prime is 125142461. The reversal of 125142450 is 54241521.

It is an interprime number because it is at equal distance from previous prime (125142439) and next prime (125142461).

It is a self number, because there is not a number n which added to its sum of digits gives 125142450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416992 + ... + 417291.

It is an arithmetic number, because the mean of its divisors is an integer number (12931402).

Almost surely, 2^125142450 is an apocalyptic number.

125142450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125142450 is an abundant number, since it is smaller than the sum of its proper divisors (185211198).

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

125142450 is a wasteful number, since it uses less digits than its factorization.

125142450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834298 (or 834293 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 125142450 is about 11186.7086312284. The cubic root of 125142450 is about 500.1898612296.

Adding to 125142450 its reverse (54241521), we get a palindrome (179383971).

The spelling of 125142450 in words is "one hundred twenty-five million, one hundred forty-two thousand, four hundred fifty".