123201010 has 16 divisors (see below), whose sum is σ = 222327576. Its totient is φ = 49154688.

The previous prime is 123200999. The next prime is 123201011. The reversal of 123201010 is 10102321.

It can be written as a sum of positive squares in 4 ways, for example, as 113145769 + 10055241 = 10637^2 + 3171^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (123201011) 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, 11547 + ... + 19486.

Almost surely, 2^123201010 is an apocalyptic number.

123201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201010 is a deficient number, since it is larger than the sum of its proper divisors (99126566).

123201010 is a wasteful number, since it uses less digits than its factorization.

123201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31437.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 123201010 is about 11099.5950376579. The cubic root of 123201010 is about 497.5897466939.

Adding to 123201010 its reverse (10102321), we get a palindrome (133303331).

The spelling of 123201010 in words is "one hundred twenty-three million, two hundred one thousand, ten".