421120535 has 12 divisors (see below), whose sum is σ = 555462264. Its totient is φ = 306269040.

The previous prime is 421120489. The next prime is 421120589. The reversal of 421120535 is 535021124.

It is not a de Polignac number, because 421120535 - 2¹² = 421116439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421120535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347429 + ... + 348638.

It is an arithmetic number, because the mean of its divisors is an integer number (46288522).

Almost surely, 2^421120535 is an apocalyptic number.

421120535 is a deficient number, since it is larger than the sum of its proper divisors (134341729).

421120535 is a wasteful number, since it uses less digits than its factorization.

421120535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696094 (or 696083 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 421120535 is about 20521.2215766996. The cubic root of 421120535 is about 749.5526428448.

Adding to 421120535 its reverse (535021124), we get a palindrome (956141659).

The spelling of 421120535 in words is "four hundred twenty-one million, one hundred twenty thousand, five hundred thirty-five".