10121155 has 16 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 7233760.

The previous prime is 10121147. The next prime is 10121161. The reversal of 10121155 is 55112101.

It is not a de Polignac number, because 10121155 - 2³ = 10121147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686 + ... + 4804.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^10121155 is an apocalyptic number.

10121155 is a deficient number, since it is larger than the sum of its proper divisors (3357245).

10121155 is a wasteful number, since it uses less digits than its factorization.

10121155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 10121155 is about 3181.3762745076. The cubic root of 10121155 is about 216.3100471426.

Adding to 10121155 its reverse (55112101), we get a palindrome (65233256).

The spelling of 10121155 in words is "ten million, one hundred twenty-one thousand, one hundred fifty-five".