105420538 has 8 divisors (see below), whose sum is σ = 158241888. Its totient is φ = 52673244.

The previous prime is 105420533. The next prime is 105420559. The reversal of 105420538 is 835024501.

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

It is a super-2 number, since 2×105420538² = 22226979664418888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105420533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14806 + ... + 20737.

It is an arithmetic number, because the mean of its divisors is an integer number (19780236).

Almost surely, 2^105420538 is an apocalyptic number.

105420538 is a deficient number, since it is larger than the sum of its proper divisors (52821350).

105420538 is a wasteful number, since it uses less digits than its factorization.

105420538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37028.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105420538 is about 10267.4504138077. The cubic root of 105420538 is about 472.3983906626.

The spelling of 105420538 in words is "one hundred five million, four hundred twenty thousand, five hundred thirty-eight".