105120772 has 12 divisors (see below), whose sum is σ = 187079760. Its totient is φ = 51669416.

The previous prime is 105120671. The next prime is 105120779. The reversal of 105120772 is 277021501.

It is a happy number.

It is a super-2 number, since 2×105120772² = 22100753411751968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105120779) 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, 222478 + ... + 222949.

It is an arithmetic number, because the mean of its divisors is an integer number (15589980).

Almost surely, 2^105120772 is an apocalyptic number.

It is an amenable number.

105120772 is a deficient number, since it is larger than the sum of its proper divisors (81958988).

105120772 is a wasteful number, since it uses less digits than its factorization.

105120772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445490 (or 445488 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 105120772 is about 10252.8421425476. The cubic root of 105120772 is about 471.9502066117.

The spelling of 105120772 in words is "one hundred five million, one hundred twenty thousand, seven hundred seventy-two".