1242507155302 has 16 divisors (see below), whose sum is σ = 2139313635360. Its totient is φ = 530177724288.

The previous prime is 1242507155293. The next prime is 1242507155311. The reversal of 1242507155302 is 2035517052421.

It is an interprime number because it is at equal distance from previous prime (1242507155293) and next prime (1242507155311).

It is a super-2 number, since 2×1242507155302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193775203 + ... + 193781614.

It is an arithmetic number, because the mean of its divisors is an integer number (133707102210).

Almost surely, 2^{1242507155302} is an apocalyptic number.

1242507155302 is a deficient number, since it is larger than the sum of its proper divisors (896806480058).

1242507155302 is a wasteful number, since it uses less digits than its factorization.

1242507155302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387557055.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 1242507155302 in words is "one trillion, two hundred forty-two billion, five hundred seven million, one hundred fifty-five thousand, three hundred two".