1235121435142 has 16 divisors (see below), whose sum is σ = 2117989059840. Its totient is φ = 529178250888.

The previous prime is 1235121435127. The next prime is 1235121435143. The reversal of 1235121435142 is 2415341215321.

It is a junction number, because it is equal to n+sod(n) for n = 1235121435098 and 1235121435107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235121435143) 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, 13244128 + ... + 13337059.

It is an arithmetic number, because the mean of its divisors is an integer number (132374316240).

Almost surely, 2^{1235121435142} is an apocalyptic number.

1235121435142 is a deficient number, since it is larger than the sum of its proper divisors (882867624698).

1235121435142 is a wasteful number, since it uses less digits than its factorization.

1235121435142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26584515.

The product of its digits is 28800, while the sum is 34.

The spelling of 1235121435142 in words is "one trillion, two hundred thirty-five billion, one hundred twenty-one million, four hundred thirty-five thousand, one hundred forty-two".