105591970 has 16 divisors (see below), whose sum is σ = 207344448. Its totient is φ = 38397040.

The previous prime is 105591923. The next prime is 105591973. The reversal of 105591970 is 79195501.

It is a happy number.

It is a super-2 number, since 2×105591970² = 22299328256961800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105591973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479854 + ... + 480073.

It is an arithmetic number, because the mean of its divisors is an integer number (12959028).

Almost surely, 2^105591970 is an apocalyptic number.

105591970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105591970 is a deficient number, since it is larger than the sum of its proper divisors (101752478).

105591970 is a wasteful number, since it uses less digits than its factorization.

105591970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959945.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 105591970 is about 10275.7953463467. The cubic root of 105591970 is about 472.6543191056.

It can be divided in two parts, 1055 and 91970, that added together give a square (93025 = 305²).

The spelling of 105591970 in words is "one hundred five million, five hundred ninety-one thousand, nine hundred seventy".