1242202101 has 32 divisors (see below), whose sum is σ = 1979609088. Its totient is φ = 677445120.

The previous prime is 1242202069. The next prime is 1242202111. The reversal of 1242202101 is 1012022421.

It is not a de Polignac number, because 1242202101 - 2⁵ = 1242202069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242202111) 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, 232581 + ... + 237861.

It is an arithmetic number, because the mean of its divisors is an integer number (61862784).

Almost surely, 2^1242202101 is an apocalyptic number.

It is an amenable number.

1242202101 is a deficient number, since it is larger than the sum of its proper divisors (737406987).

1242202101 is a wasteful number, since it uses less digits than its factorization.

1242202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1242202101 is about 35244.8875867125. The cubic root of 1242202101 is about 1074.9726622938.

Adding to 1242202101 its reverse (1012022421), we get a palindrome (2254224522).

The spelling of 1242202101 in words is "one billion, two hundred forty-two million, two hundred two thousand, one hundred one".