1242223101 has 32 divisors (see below), whose sum is σ = 2107296000. Its totient is φ = 708471360.

The previous prime is 1242223049. The next prime is 1242223109. The reversal of 1242223101 is 1013222421.

It is a happy number.

1242223101 is a `hidden beast` number, since 12 + 422 + 231 + 0 + 1 = 666.

1242223101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1242223101 - 2⁷ = 1242222973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242223109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96175 + ... + 108323.

It is an arithmetic number, because the mean of its divisors is an integer number (65853000).

Almost surely, 2^1242223101 is an apocalyptic number.

It is an amenable number.

1242223101 is a deficient number, since it is larger than the sum of its proper divisors (865072899).

1242223101 is a wasteful number, since it uses less digits than its factorization.

1242223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12706 (or 12700 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1242223101 is about 35245.1855010014. The cubic root of 1242223101 is about 1074.9787198960.

Adding to 1242223101 its reverse (1013222421), we get a palindrome (2255445522).

The spelling of 1242223101 in words is "one billion, two hundred forty-two million, two hundred twenty-three thousand, one hundred one".