122620546 has 4 divisors (see below), whose sum is σ = 183930822. Its totient is φ = 61310272.

The previous prime is 122620543. The next prime is 122620571. The reversal of 122620546 is 645026221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 14356521 = 10405^2 + 3789^2 .

It is not an unprimeable number, because it can be changed into a prime (122620543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30655135 + ... + 30655138.

Almost surely, 2^122620546 is an apocalyptic number.

122620546 is a deficient number, since it is larger than the sum of its proper divisors (61310276).

122620546 is an equidigital number, since it uses as much as digits as its factorization.

122620546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61310275.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 122620546 is about 11073.4161847191. The cubic root of 122620546 is about 496.8070481867.

Adding to 122620546 its reverse (645026221), we get a palindrome (767646767).

The spelling of 122620546 in words is "one hundred twenty-two million, six hundred twenty thousand, five hundred forty-six".