103507428 has 24 divisors (see below), whose sum is σ = 242136832. Its totient is φ = 34413984.

The previous prime is 103507427. The next prime is 103507433. The reversal of 103507428 is 824705301.

It is a junction number, because it is equal to n+sod(n) for n = 103507395 and 103507404.

It is not an unprimeable number, because it can be changed into a prime (103507427) 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, 6100 + ... + 15627.

Almost surely, 2^103507428 is an apocalyptic number.

It is an amenable number.

103507428 is an abundant number, since it is smaller than the sum of its proper divisors (138629404).

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

103507428 is a wasteful number, since it uses less digits than its factorization.

103507428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131 (or 22129 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 103507428 is about 10173.8600344215. The cubic root of 103507428 is about 469.5233253809.

The spelling of 103507428 in words is "one hundred three million, five hundred seven thousand, four hundred twenty-eight".