103149724 has 6 divisors (see below), whose sum is σ = 180512024. Its totient is φ = 51574860.

The previous prime is 103149701. The next prime is 103149743. The reversal of 103149724 is 427941301.

It is a super-2 number, since 2×103149724² = 21279731122552352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12893712 + ... + 12893719.

Almost surely, 2^103149724 is an apocalyptic number.

It is an amenable number.

103149724 is a deficient number, since it is larger than the sum of its proper divisors (77362300).

103149724 is a wasteful number, since it uses less digits than its factorization.

103149724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25787435 (or 25787433 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 103149724 is about 10156.2652584501. The cubic root of 103149724 is about 468.9818369860.

The spelling of 103149724 in words is "one hundred three million, one hundred forty-nine thousand, seven hundred twenty-four".