10021154 has 32 divisors (see below), whose sum is σ = 18156096. Its totient is φ = 4086720.

The previous prime is 10021147. The next prime is 10021157. The reversal of 10021154 is 45112001.

It is not an unprimeable number, because it can be changed into a prime (10021157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10109 + ... + 11055.

It is an arithmetic number, because the mean of its divisors is an integer number (567378).

Almost surely, 2^10021154 is an apocalyptic number.

10021154 is a deficient number, since it is larger than the sum of its proper divisors (8134942).

10021154 is a wasteful number, since it uses less digits than its factorization.

10021154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10021154 is about 3165.6206342517. The cubic root of 10021154 is about 215.5952783790.

Adding to 10021154 its reverse (45112001), we get a palindrome (55133155).

The spelling of 10021154 in words is "ten million, twenty-one thousand, one hundred fifty-four".