21127094 has 4 divisors (see below), whose sum is σ = 31690644. Its totient is φ = 10563546.

The previous prime is 21127091. The next prime is 21127097. The reversal of 21127094 is 49072112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (21127091) and next prime (21127097).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21127091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5281772 + ... + 5281775.

It is an arithmetic number, because the mean of its divisors is an integer number (7922661).

Almost surely, 2^21127094 is an apocalyptic number.

21127094 is a deficient number, since it is larger than the sum of its proper divisors (10563550).

21127094 is a wasteful number, since it uses less digits than its factorization.

21127094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563549.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 21127094 is about 4596.4218692370. The cubic root of 21127094 is about 276.4478743107.

The spelling of 21127094 in words is "twenty-one million, one hundred twenty-seven thousand, ninety-four".