735012121 has 4 divisors (see below), whose sum is σ = 738860544. Its totient is φ = 731163700.

The previous prime is 735012071. The next prime is 735012137. The reversal of 735012121 is 121210537.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121210537 = 7 ⋅17315791.

It is a cyclic number.

It is not a de Polignac number, because 735012121 - 2²¹ = 732914969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 735012092 and 735012101.

It is not an unprimeable number, because it can be changed into a prime (735012181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923925 + ... + 1924306.

It is an arithmetic number, because the mean of its divisors is an integer number (184715136).

Almost surely, 2^735012121 is an apocalyptic number.

It is an amenable number.

735012121 is a deficient number, since it is larger than the sum of its proper divisors (3848423).

735012121 is a wasteful number, since it uses less digits than its factorization.

735012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848422.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 735012121 is about 27111.1069674405. The cubic root of 735012121 is about 902.4673534281.

Adding to 735012121 its reverse (121210537), we get a palindrome (856222658).

The spelling of 735012121 in words is "seven hundred thirty-five million, twelve thousand, one hundred twenty-one".