1601122036 has 12 divisors (see below), whose sum is σ = 2802465540. Its totient is φ = 800417600.

The previous prime is 1601122021. The next prime is 1601122043. The reversal of 1601122036 is 6302211061.

It can be written as a sum of positive squares in 2 ways, for example, as 1256277136 + 344844900 = 35444^2 + 18570^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1601121998 and 1601122016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8401 + ... + 57208.

It is an arithmetic number, because the mean of its divisors is an integer number (233538795).

Almost surely, 2^1601122036 is an apocalyptic number.

It is an amenable number.

1601122036 is a deficient number, since it is larger than the sum of its proper divisors (1201343504).

1601122036 is a wasteful number, since it uses less digits than its factorization.

1601122036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71714 (or 71712 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1601122036 is about 40014.0229919462. The cubic root of 1601122036 is about 1169.8804358303.

Adding to 1601122036 its reverse (6302211061), we get a palindrome (7903333097).

The spelling of 1601122036 in words is "one billion, six hundred one million, one hundred twenty-two thousand, thirty-six".