106921456 has 20 divisors (see below), whose sum is σ = 210080304. Its totient is φ = 52707200.

The previous prime is 106921447. The next prime is 106921487. The reversal of 106921456 is 654129601.

It is a super-2 number, since 2×106921456² = 22864395506319872, 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, 45925 + ... + 48196.

Almost surely, 2^106921456 is an apocalyptic number.

106921456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

106921456 is a deficient number, since it is larger than the sum of its proper divisors (103158848).

106921456 is an equidigital number, since it uses as much as digits as its factorization.

106921456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94200 (or 94194 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 106921456 is about 10340.2831682696. The cubic root of 106921456 is about 474.6297480369.

The spelling of 106921456 in words is "one hundred six million, nine hundred twenty-one thousand, four hundred fifty-six".