9925142 has 4 divisors (see below), whose sum is σ = 14887716. Its totient is φ = 4962570.

The previous prime is 9925133. The next prime is 9925147. The reversal of 9925142 is 2415299.

9925142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 9925099 and 9925108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9925147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2481284 + ... + 2481287.

It is an arithmetic number, because the mean of its divisors is an integer number (3721929).

Almost surely, 2^9925142 is an apocalyptic number.

9925142 is a deficient number, since it is larger than the sum of its proper divisors (4962574).

9925142 is a wasteful number, since it uses less digits than its factorization.

9925142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962573.

The product of its digits is 6480, while the sum is 32.

The square root of 9925142 is about 3150.4193371677. The cubic root of 9925142 is about 214.9045330621.

It can be divided in two parts, 992514 and 2, that multiplied together give a triangular number (1985028 = T₁₉₉₂).

The spelling of 9925142 in words is "nine million, nine hundred twenty-five thousand, one hundred forty-two".