121030534 has 4 divisors (see below), whose sum is σ = 181545804. Its totient is φ = 60515266.

The previous prime is 121030519. The next prime is 121030549. The reversal of 121030534 is 435030121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435030121 = 14437 ⋅30133.

It is an interprime number because it is at equal distance from previous prime (121030519) and next prime (121030549).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30257632 + ... + 30257635.

It is an arithmetic number, because the mean of its divisors is an integer number (45386451).

Almost surely, 2^121030534 is an apocalyptic number.

121030534 is a deficient number, since it is larger than the sum of its proper divisors (60515270).

121030534 is an equidigital number, since it uses as much as digits as its factorization.

121030534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60515269.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 121030534 is about 11001.3878215432. The cubic root of 121030534 is about 494.6503451878.

Adding to 121030534 its reverse (435030121), we get a palindrome (556060655).

The spelling of 121030534 in words is "one hundred twenty-one million, thirty thousand, five hundred thirty-four".