12102554 has 16 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 5762592.

The previous prime is 12102551. The next prime is 12102557. The reversal of 12102554 is 45520121.

It is an interprime number because it is at equal distance from previous prime (12102551) and next prime (12102557).

It is not an unprimeable number, because it can be changed into a prime (12102551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13694 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 2^12102554 is an apocalyptic number.

12102554 is a deficient number, since it is larger than the sum of its proper divisors (6924454).

12102554 is a wasteful number, since it uses less digits than its factorization.

12102554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12102554 is about 3478.8725185037. The cubic root of 12102554 is about 229.5931939409.

Adding to 12102554 its reverse (45520121), we get a palindrome (57622675).

The spelling of 12102554 in words is "twelve million, one hundred two thousand, five hundred fifty-four".