106421524 has 12 divisors (see below), whose sum is σ = 203168448. Its totient is φ = 48373400.

The previous prime is 106421507. The next prime is 106421533. The reversal of 106421524 is 425124601.

It is a happy number.

It is a super-2 number, since 2×106421524² = 22651081540965152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209292 + ... + 1209379.

It is an arithmetic number, because the mean of its divisors is an integer number (16930704).

Almost surely, 2^106421524 is an apocalyptic number.

It is an amenable number.

106421524 is a deficient number, since it is larger than the sum of its proper divisors (96746924).

106421524 is a wasteful number, since it uses less digits than its factorization.

106421524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418686 (or 2418684 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 106421524 is about 10316.0808449721. The cubic root of 106421524 is about 473.8888509585. Note that the first 4 decimals are identical.

The spelling of 106421524 in words is "one hundred six million, four hundred twenty-one thousand, five hundred twenty-four".