124021542354002 has 16 divisors (see below), whose sum is σ = 186560273352600. Its totient is φ = 61834786371072.

The previous prime is 124021542353993. The next prime is 124021542354029. The reversal of 124021542354002 is 200453245120421.

It can be written as a sum of positive squares in 4 ways, for example, as 123763377760201 + 258164593801 = 11124899^2 + 508099^2 .

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, 201572828 + ... + 202187160.

Almost surely, 2^{124021542354002} is an apocalyptic number.

124021542354002 is a deficient number, since it is larger than the sum of its proper divisors (62538730998598).

124021542354002 is a wasteful number, since it uses less digits than its factorization.

124021542354002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900637.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 124021542354002 its reverse (200453245120421), we get a palindrome (324474787474423).

The spelling of 124021542354002 in words is "one hundred twenty-four trillion, twenty-one billion, five hundred forty-two million, three hundred fifty-four thousand, two".