1242701166 has 32 divisors (see below), whose sum is σ = 2917232640. Its totient is φ = 345460896.

The previous prime is 1242701147. The next prime is 1242701177. The reversal of 1242701166 is 6611072421.

It is a super-3 number, since 3×1242701166³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398286 + ... + 401393.

It is an arithmetic number, because the mean of its divisors is an integer number (91163520).

Almost surely, 2^1242701166 is an apocalyptic number.

1242701166 is an abundant number, since it is smaller than the sum of its proper divisors (1674531474).

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

1242701166 is a wasteful number, since it uses less digits than its factorization.

1242701166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799728.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1242701166 is about 35251.9668387453. The cubic root of 1242701166 is about 1075.1166027476.

Adding to 1242701166 its reverse (6611072421), we get a palindrome (7853773587).

The spelling of 1242701166 in words is "one billion, two hundred forty-two million, seven hundred one thousand, one hundred sixty-six".