122240372 has 6 divisors (see below), whose sum is σ = 213920658. Its totient is φ = 61120184.

The previous prime is 122240359. The next prime is 122240381. The reversal of 122240372 is 273042221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82373776 + 39866596 = 9076^2 + 6314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15280043 + ... + 15280050.

It is an arithmetic number, because the mean of its divisors is an integer number (35653443).

Almost surely, 2^122240372 is an apocalyptic number.

It is an amenable number.

122240372 is a deficient number, since it is larger than the sum of its proper divisors (91680286).

122240372 is a wasteful number, since it uses less digits than its factorization.

122240372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30560097 (or 30560095 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 122240372 is about 11056.2367919650. The cubic root of 122240372 is about 496.2930814263.

Adding to 122240372 its reverse (273042221), we get a palindrome (395282593).

The spelling of 122240372 in words is "one hundred twenty-two million, two hundred forty thousand, three hundred seventy-two".