2040126121 has 8 divisors (see below), whose sum is σ = 2342728800. Its totient is φ = 1757046240.

The previous prime is 2040126107. The next prime is 2040126149. The reversal of 2040126121 is 1216210402.

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 2040126121 - 2⁹ = 2040125609 is a prime.

It is a super-2 number, since 2×2040126121² = 8324229179173013282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040126161) 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, 4880476 + ... + 4880893.

It is an arithmetic number, because the mean of its divisors is an integer number (292841100).

Almost surely, 2^2040126121 is an apocalyptic number.

It is an amenable number.

2040126121 is a deficient number, since it is larger than the sum of its proper divisors (302602679).

2040126121 is a wasteful number, since it uses less digits than its factorization.

2040126121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761399.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2040126121 is about 45167.7553239034. The cubic root of 2040126121 is about 1268.2912769547.

Adding to 2040126121 its reverse (1216210402), we get a palindrome (3256336523).

The spelling of 2040126121 in words is "two billion, forty million, one hundred twenty-six thousand, one hundred twenty-one".