1242502453161 has 12 divisors (see below), whose sum is σ = 1794751131888. Its totient is φ = 828323261304.

The previous prime is 1242502453099. The next prime is 1242502453163. The reversal of 1242502453161 is 1613542052421.

1242502453161 is a `hidden beast` number, since 1 + 2 + 4 + 250 + 245 + 3 + 161 = 666.

It is not a de Polignac number, because 1242502453161 - 2⁷ = 1242502453033 is a prime.

It is a super-2 number, since 2×1242502453161² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242502453163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277155 + ... + 1600568.

It is an arithmetic number, because the mean of its divisors is an integer number (149562594324).

Almost surely, 2^{1242502453161} is an apocalyptic number.

It is an amenable number.

1242502453161 is a deficient number, since it is larger than the sum of its proper divisors (552248678727).

1242502453161 is a wasteful number, since it uses less digits than its factorization.

1242502453161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951252 (or 1951249 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1242502453161 in words is "one trillion, two hundred forty-two billion, five hundred two million, four hundred fifty-three thousand, one hundred sixty-one".