424100121 has 32 divisors (see below), whose sum is σ = 608532480. Its totient is φ = 261921600.

The previous prime is 424100107. The next prime is 424100123. The reversal of 424100121 is 121001424.

It is a de Polignac number, because none of the positive numbers 2^k-424100121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424100121.

It is not an unprimeable number, because it can be changed into a prime (424100123) 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, 983776 + ... + 984206.

It is an arithmetic number, because the mean of its divisors is an integer number (19016640).

Almost surely, 2^424100121 is an apocalyptic number.

It is an amenable number.

424100121 is a deficient number, since it is larger than the sum of its proper divisors (184432359).

424100121 is a wasteful number, since it uses less digits than its factorization.

424100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 424100121 is about 20593.6912912668. The cubic root of 424100121 is about 751.3162787511.

Adding to 424100121 its reverse (121001424), we get a palindrome (545101545).

The spelling of 424100121 in words is "four hundred twenty-four million, one hundred thousand, one hundred twenty-one".