105213902 has 8 divisors (see below), whose sum is σ = 157910736. Its totient is φ = 52576992.

The previous prime is 105213893. The next prime is 105213923. The reversal of 105213902 is 209312501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105213902² = 22139930348131208, 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, 10298 + ... + 17789.

It is an arithmetic number, because the mean of its divisors is an integer number (19738842).

Almost surely, 2^105213902 is an apocalyptic number.

105213902 is a deficient number, since it is larger than the sum of its proper divisors (52696834).

105213902 is a wasteful number, since it uses less digits than its factorization.

105213902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 105213902 is about 10257.3828045949. The cubic root of 105213902 is about 472.0895376197.

The spelling of 105213902 in words is "one hundred five million, two hundred thirteen thousand, nine hundred two".