121435142 has 16 divisors (see below), whose sum is σ = 185274432. Its totient is φ = 59684520.

The previous prime is 121435121. The next prime is 121435207. The reversal of 121435142 is 241534121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33293 + ... + 36759.

It is an arithmetic number, because the mean of its divisors is an integer number (11579652).

Almost surely, 2^121435142 is an apocalyptic number.

121435142 is a deficient number, since it is larger than the sum of its proper divisors (63839290).

121435142 is a wasteful number, since it uses less digits than its factorization.

121435142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763.

The product of its digits is 960, while the sum is 23.

The square root of 121435142 is about 11019.7614311745. The cubic root of 121435142 is about 495.2009414432.

Adding to 121435142 its reverse (241534121), we get a palindrome (362969263).

The spelling of 121435142 in words is "one hundred twenty-one million, four hundred thirty-five thousand, one hundred forty-two".