761214121 has 4 divisors (see below), whose sum is σ = 761308612. Its totient is φ = 761119632.

The previous prime is 761214109. The next prime is 761214131. The reversal of 761214121 is 121412167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46240000 + 714974121 = 6800^2 + 26739^2 .

It is a cyclic number.

It is not a de Polignac number, because 761214121 - 2²⁷ = 626996393 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761214131) 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, 33906 + ... + 51691.

It is an arithmetic number, because the mean of its divisors is an integer number (190327153).

Almost surely, 2^761214121 is an apocalyptic number.

It is an amenable number.

761214121 is a deficient number, since it is larger than the sum of its proper divisors (94491).

761214121 is an equidigital number, since it uses as much as digits as its factorization.

761214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94490.

The product of its digits is 672, while the sum is 25.

The square root of 761214121 is about 27590.1091154058. The cubic root of 761214121 is about 913.0662260660.

Adding to 761214121 its reverse (121412167), we get a palindrome (882626288).

The spelling of 761214121 in words is "seven hundred sixty-one million, two hundred fourteen thousand, one hundred twenty-one".