122243031 has 12 divisors (see below), whose sum is σ = 177472152. Its totient is φ = 81080496.

The previous prime is 122243021. The next prime is 122243057. The reversal of 122243031 is 130342221.

It is not a de Polignac number, because 122243031 - 2¹⁰ = 122242007 is a prime.

It is a super-2 number, since 2×122243031² = 29886717256133922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122242995 and 122243013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122243021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32701 + ... + 36246.

It is an arithmetic number, because the mean of its divisors is an integer number (14789346).

Almost surely, 2^122243031 is an apocalyptic number.

122243031 is a deficient number, since it is larger than the sum of its proper divisors (55229121).

122243031 is a wasteful number, since it uses less digits than its factorization.

122243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69150 (or 69147 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 122243031 is about 11056.3570401828. The cubic root of 122243031 is about 496.2966798930.

Adding to 122243031 its reverse (130342221), we get a palindrome (252585252).

It can be divided in two parts, 1222 and 43031, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 122243031 in words is "one hundred twenty-two million, two hundred forty-three thousand, thirty-one".