107621091 has 12 divisors (see below), whose sum is σ = 155809368. Its totient is φ = 71582784.

The previous prime is 107621089. The next prime is 107621093. The reversal of 107621091 is 190126701.

It is an interprime number because it is at equal distance from previous prime (107621089) and next prime (107621093).

It is not a de Polignac number, because 107621091 - 2¹ = 107621089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (107621093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9510 + ... + 17483.

It is an arithmetic number, because the mean of its divisors is an integer number (12984114).

Almost surely, 2^107621091 is an apocalyptic number.

107621091 is a deficient number, since it is larger than the sum of its proper divisors (48188277).

107621091 is a wasteful number, since it uses less digits than its factorization.

107621091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27442 (or 27439 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 107621091 is about 10374.0585596959. The cubic root of 107621091 is about 475.6627365773.

Adding to 107621091 its reverse (190126701), we get a palindrome (297747792).

The spelling of 107621091 in words is "one hundred seven million, six hundred twenty-one thousand, ninety-one".