121434546 has 16 divisors (see below), whose sum is σ = 245019744. Its totient is φ = 40119744.

The previous prime is 121434541. The next prime is 121434559. The reversal of 121434546 is 645434121.

It is a super-2 number, since 2×121434546² = 29492697924452232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121434541) 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, 88876 + ... + 90231.

It is an arithmetic number, because the mean of its divisors is an integer number (15313734).

Almost surely, 2^121434546 is an apocalyptic number.

121434546 is an abundant number, since it is smaller than the sum of its proper divisors (123585198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121434546 is a wasteful number, since it uses less digits than its factorization.

121434546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179225.

The product of its digits is 11520, while the sum is 30.

The square root of 121434546 is about 11019.7343888136. The cubic root of 121434546 is about 495.2001312981.

Adding to 121434546 its reverse (645434121), we get a palindrome (766868667).

The spelling of 121434546 in words is "one hundred twenty-one million, four hundred thirty-four thousand, five hundred forty-six".