1106390457 has 6 divisors (see below), whose sum is σ = 1598119562. Its totient is φ = 737593632.

The previous prime is 1106390443. The next prime is 1106390471. The reversal of 1106390457 is 7540936011.

1106390457 is a `hidden beast` number, since 1 + 10 + 639 + 0 + 4 + 5 + 7 = 666.

1106390457 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1106390443) and next prime (1106390471).

It can be written as a sum of positive squares in only one way, i.e., 1102505616 + 3884841 = 33204^2 + 1971^2 .

It is not a de Polignac number, because 1106390457 - 2¹⁵ = 1106357689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101390457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61466128 + ... + 61466145.

Almost surely, 2^1106390457 is an apocalyptic number.

It is an amenable number.

1106390457 is a deficient number, since it is larger than the sum of its proper divisors (491729105).

1106390457 is a wasteful number, since it uses less digits than its factorization.

1106390457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122932279 (or 122932276 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1106390457 is about 33262.4481510306. The cubic root of 1106390457 is about 1034.2752694432.

The spelling of 1106390457 in words is "one billion, one hundred six million, three hundred ninety thousand, four hundred fifty-seven".