46121421 has 8 divisors (see below), whose sum is σ = 62537760. Its totient is φ = 30226352.

The previous prime is 46121407. The next prime is 46121431. The reversal of 46121421 is 12412164.

It is a happy number.

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 46121421 - 2⁷ = 46121293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46121431) 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, 130110 + ... + 130463.

It is an arithmetic number, because the mean of its divisors is an integer number (7817220).

Almost surely, 2^46121421 is an apocalyptic number.

It is an amenable number.

46121421 is a deficient number, since it is larger than the sum of its proper divisors (16416339).

46121421 is a wasteful number, since it uses less digits than its factorization.

46121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260635.

The product of its digits is 384, while the sum is 21.

The square root of 46121421 is about 6791.2753588704. The cubic root of 46121421 is about 358.6197690041.

Adding to 46121421 its reverse (12412164), we get a palindrome (58533585).

The spelling of 46121421 in words is "forty-six million, one hundred twenty-one thousand, four hundred twenty-one".