30077122 has 4 divisors (see below), whose sum is σ = 45115686. Its totient is φ = 15038560.

The previous prime is 30077119. The next prime is 30077143. The reversal of 30077122 is 22177003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22177003 = 317 ⋅69959.

It can be written as a sum of positive squares in only one way, i.e., 21427641 + 8649481 = 4629^2 + 2941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30077093 and 30077102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7519279 + ... + 7519282.

Almost surely, 2^30077122 is an apocalyptic number.

30077122 is a deficient number, since it is larger than the sum of its proper divisors (15038564).

30077122 is a wasteful number, since it uses less digits than its factorization.

30077122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15038563.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 30077122 is about 5484.2612993912. The cubic root of 30077122 is about 310.9892849636.

The spelling of 30077122 in words is "thirty million, seventy-seven thousand, one hundred twenty-two".