10121854 has 8 divisors (see below), whose sum is σ = 15262848. Its totient is φ = 5034240.

The previous prime is 10121833. The next prime is 10121897. The reversal of 10121854 is 45812101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12867 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (1907856).

Almost surely, 2^10121854 is an apocalyptic number.

10121854 is a deficient number, since it is larger than the sum of its proper divisors (5140994).

10121854 is a wasteful number, since it uses less digits than its factorization.

10121854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26690.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 10121854 is about 3181.4861307257. The cubic root of 10121854 is about 216.3150267206.

Adding to 10121854 its reverse (45812101), we get a palindrome (55933955).

The spelling of 10121854 in words is "ten million, one hundred twenty-one thousand, eight hundred fifty-four".