1090392541 has 10 divisors (see below), whose sum is σ = 1272051742. Its totient is φ = 934620120.

The previous prime is 1090392473. The next prime is 1090392551. The reversal of 1090392541 is 1452930901.

It can be written as a sum of positive squares in only one way, i.e., 715776516 + 374616025 = 26754^2 + 19355^2 .

It is not a de Polignac number, because 1090392541 - 2⁹ = 1090392029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090392497 and 1090392506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090392551) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 224670 + ... + 229471.

Almost surely, 2^1090392541 is an apocalyptic number.

It is an amenable number.

1090392541 is a deficient number, since it is larger than the sum of its proper divisors (181659201).

1090392541 is an frugal number, since it uses more digits than its factorization.

1090392541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454169 (or 454148 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1090392541 is about 33021.0923653352. The cubic root of 1090392541 is about 1029.2659932160.

The spelling of 1090392541 in words is "one billion, ninety million, three hundred ninety-two thousand, five hundred forty-one".