39243122 has 4 divisors (see below), whose sum is σ = 58864686. Its totient is φ = 19621560.

The previous prime is 39243107. The next prime is 39243137. The reversal of 39243122 is 22134293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22134293 = 43 ⋅514751.

It is an interprime number because it is at equal distance from previous prime (39243107) and next prime (39243137).

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 1038361 = 6181^2 + 1019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39243091 and 39243100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9810779 + ... + 9810782.

Almost surely, 2^39243122 is an apocalyptic number.

39243122 is a deficient number, since it is larger than the sum of its proper divisors (19621564).

39243122 is a wasteful number, since it uses less digits than its factorization.

39243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19621563.

The product of its digits is 2592, while the sum is 26.

The square root of 39243122 is about 6264.4330948618. The cubic root of 39243122 is about 339.8243671903.

The spelling of 39243122 in words is "thirty-nine million, two hundred forty-three thousand, one hundred twenty-two".