2036400121 has 8 divisors (see below), whose sum is σ = 2328170624. Its totient is φ = 1744843680.

The previous prime is 2036400101. The next prime is 2036400193. The reversal of 2036400121 is 1210046302.

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

It is a cyclic number.

It is not a de Polignac number, because 2036400121 - 2¹⁷ = 2036269049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2036400101) 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, 32580 + ... + 71653.

It is an arithmetic number, because the mean of its divisors is an integer number (291021328).

Almost surely, 2^2036400121 is an apocalyptic number.

It is an amenable number.

2036400121 is a deficient number, since it is larger than the sum of its proper divisors (291770503).

2036400121 is a wasteful number, since it uses less digits than its factorization.

2036400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107031.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2036400121 is about 45126.4902357806. The cubic root of 2036400121 is about 1267.5186885866.

Adding to 2036400121 its reverse (1210046302), we get a palindrome (3246446423).

The spelling of 2036400121 in words is "two billion, thirty-six million, four hundred thousand, one hundred twenty-one".