1122402101 has 8 divisors (see below), whose sum is σ = 1217412504. Its totient is φ = 1030612480.

The previous prime is 1122402097. The next prime is 1122402107. The reversal of 1122402101 is 1012042211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 302725201 + 819676900 = 17399^2 + 28630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122402101 - 2² = 1122402097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122402107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804470 + ... + 805863.

It is an arithmetic number, because the mean of its divisors is an integer number (152176563).

Almost surely, 2^1122402101 is an apocalyptic number.

It is an amenable number.

1122402101 is a deficient number, since it is larger than the sum of its proper divisors (95010403).

1122402101 is a wasteful number, since it uses less digits than its factorization.

1122402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610391.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1122402101 is about 33502.2700872642. The cubic root of 1122402101 is about 1039.2407244699.

Adding to 1122402101 its reverse (1012042211), we get a palindrome (2134444312).

The spelling of 1122402101 in words is "one billion, one hundred twenty-two million, four hundred two thousand, one hundred one".