1200121301 has 32 divisors (see below), whose sum is σ = 1358208000. Its totient is φ = 1055058048.

The previous prime is 1200121267. The next prime is 1200121327. The reversal of 1200121301 is 1031210021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200121301 is a prime.

It is a super-2 number, since 2×1200121301² = 2880582274227865202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200021301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2294426 + ... + 2294948.

It is an arithmetic number, because the mean of its divisors is an integer number (42444000).

Almost surely, 2^1200121301 is an apocalyptic number.

It is an amenable number.

1200121301 is a deficient number, since it is larger than the sum of its proper divisors (158086699).

1200121301 is a wasteful number, since it uses less digits than its factorization.

1200121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

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

The square root of 1200121301 is about 34642.7669362596. The cubic root of 1200121301 is about 1062.6943739615.

Adding to 1200121301 its reverse (1031210021), we get a palindrome (2231331322).

The spelling of 1200121301 in words is "one billion, two hundred million, one hundred twenty-one thousand, three hundred one".