4540412121 has 32 divisors (see below), whose sum is σ = 7304693760. Its totient is φ = 2450601216.

The previous prime is 4540412099. The next prime is 4540412131. The reversal of 4540412121 is 1212140454.

It is not a de Polignac number, because 4540412121 - 2⁵ = 4540412089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4540412091 and 4540412100.

It is not an unprimeable number, because it can be changed into a prime (4540412131) 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, 117580 + ... + 151346.

It is an arithmetic number, because the mean of its divisors is an integer number (228271680).

Almost surely, 2^4540412121 is an apocalyptic number.

It is an amenable number.

4540412121 is a deficient number, since it is larger than the sum of its proper divisors (2764281639).

4540412121 is a wasteful number, since it uses less digits than its factorization.

4540412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34133.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4540412121 is about 67382.5802489041. The cubic root of 4540412121 is about 1655.8910473927.

Adding to 4540412121 its reverse (1212140454), we get a palindrome (5752552575).

The spelling of 4540412121 in words is "four billion, five hundred forty million, four hundred twelve thousand, one hundred twenty-one".