3121022 has 4 divisors (see below), whose sum is σ = 4681536. Its totient is φ = 1560510.

The previous prime is 3121007. The next prime is 3121033. The reversal of 3121022 is 2201213.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3120994 and 3121012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780254 + ... + 780257.

It is an arithmetic number, because the mean of its divisors is an integer number (1170384).

Almost surely, 2^3121022 is an apocalyptic number.

3121022 is a deficient number, since it is larger than the sum of its proper divisors (1560514).

3121022 is a wasteful number, since it uses less digits than its factorization.

3121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560513.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3121022 is about 1766.6414463609. The cubic root of 3121022 is about 146.1388246086.

Adding to 3121022 its reverse (2201213), we get a palindrome (5322235).

The spelling of 3121022 in words is "three million, one hundred twenty-one thousand, twenty-two".