1242703157710 has 32 divisors (see below), whose sum is σ = 2625510306240. Its totient is φ = 414554257152.

The previous prime is 1242703157687. The next prime is 1242703157713. The reversal of 1242703157710 is 177513072421.

It is a happy number.

It is a super-2 number, since 2×1242703157710² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242703157713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239901495 + ... + 239906674.

It is an arithmetic number, because the mean of its divisors is an integer number (82047197070).

Almost surely, 2^{1242703157710} is an apocalyptic number.

1242703157710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242703157710 is an abundant number, since it is smaller than the sum of its proper divisors (1382807148530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242703157710 is a wasteful number, since it uses less digits than its factorization.

1242703157710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479808220.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 1242703157710 in words is "one trillion, two hundred forty-two billion, seven hundred three million, one hundred fifty-seven thousand, seven hundred ten".