30626121 has 8 divisors (see below), whose sum is σ = 41938624. Its totient is φ = 19865520.

The previous prime is 30626107. The next prime is 30626131. The reversal of 30626121 is 12162603.

It is a happy number.

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

It is not a de Polignac number, because 30626121 - 2¹¹ = 30624073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30626131) 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, 137845 + ... + 138066.

It is an arithmetic number, because the mean of its divisors is an integer number (5242328).

Almost surely, 2^30626121 is an apocalyptic number.

It is an amenable number.

30626121 is a deficient number, since it is larger than the sum of its proper divisors (11312503).

30626121 is a wasteful number, since it uses less digits than its factorization.

30626121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275951.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30626121 is about 5534.0871876038. The cubic root of 30626121 is about 312.8700546310.

Adding to 30626121 its reverse (12162603), we get a palindrome (42788724).

The spelling of 30626121 in words is "thirty million, six hundred twenty-six thousand, one hundred twenty-one".