1959036122 has 4 divisors (see below), whose sum is σ = 2938554186. Its totient is φ = 979518060.

The previous prime is 1959036119. The next prime is 1959036137. The reversal of 1959036122 is 2216309591.

It is a Cunningham number, because it is equal to 44261²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2216309591 = 719 ⋅3082489.

It can be written as a sum of positive squares in only one way, i.e., 1959036121 + 1 = 44261^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489759029 + ... + 489759032.

Almost surely, 2^1959036122 is an apocalyptic number.

1959036122 is a deficient number, since it is larger than the sum of its proper divisors (979518064).

1959036122 is an equidigital number, since it uses as much as digits as its factorization.

1959036122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979518063.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1959036122 is about 44261.0000112966. Note that the first 4 decimals coincide. The cubic root of 1959036122 is about 1251.2597693185.

The spelling of 1959036122 in words is "one billion, nine hundred fifty-nine million, thirty-six thousand, one hundred twenty-two".