1201300121 has 24 divisors (see below), whose sum is σ = 1504772640. Its totient is φ = 952651392.

The previous prime is 1201300091. The next prime is 1201300153. The reversal of 1201300121 is 1210031021.

It is not a de Polignac number, because 1201300121 - 2²⁶ = 1134191257 is a prime.

It is a super-2 number, since 2×1201300121² = 2886243961429229282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201300181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36926 + ... + 61368.

It is an arithmetic number, because the mean of its divisors is an integer number (62698860).

Almost surely, 2^1201300121 is an apocalyptic number.

It is an amenable number.

1201300121 is a deficient number, since it is larger than the sum of its proper divisors (303472519).

1201300121 is a wasteful number, since it uses less digits than its factorization.

1201300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24533 (or 24526 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201300121 is about 34659.7767015311. The cubic root of 1201300121 is about 1063.0422042020.

Adding to 1201300121 its reverse (1210031021), we get a palindrome (2411331142).

The spelling of 1201300121 in words is "one billion, two hundred one million, three hundred thousand, one hundred twenty-one".