1090690601 has 64 divisors (see below), whose sum is σ = 1517322240. Its totient is φ = 756725760.

The previous prime is 1090690597. The next prime is 1090690619. The reversal of 1090690601 is 1060960901.

It is a happy number.

It is not a de Polignac number, because 1090690601 - 2² = 1090690597 is a prime.

1090690601 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (1090690621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4563440 + ... + 4563678.

It is an arithmetic number, because the mean of its divisors is an integer number (23708160).

Almost surely, 2^1090690601 is an apocalyptic number.

1090690601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1090690601 is a deficient number, since it is larger than the sum of its proper divisors (426631639).

1090690601 is a wasteful number, since it uses less digits than its factorization.

1090690601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1090690601 is about 33025.6052329098. The cubic root of 1090690601 is about 1029.3597683357.

The spelling of 1090690601 in words is "one billion, ninety million, six hundred ninety thousand, six hundred one".