1242101160 has 48 divisors (see below), whose sum is σ = 4036829940. Its totient is φ = 331226880.

The previous prime is 1242101153. The next prime is 1242101167. The reversal of 1242101160 is 611012421.

It is an interprime number because it is at equal distance from previous prime (1242101153) and next prime (1242101167).

It can be written as a sum of positive squares in 2 ways, for example, as 1161855396 + 80245764 = 34086^2 + 8958^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1242101167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1724781 + ... + 1725500.

Almost surely, 2^1242101160 is an apocalyptic number.

1242101160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242101160 is an abundant number, since it is smaller than the sum of its proper divisors (2794728780).

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

1242101160 is a wasteful number, since it uses less digits than its factorization.

1242101160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450298 (or 3450291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1242101160 is about 35243.4555626999. The cubic root of 1242101160 is about 1074.9435441778.

Adding to 1242101160 its reverse (611012421), we get a palindrome (1853113581).

The spelling of 1242101160 in words is "one billion, two hundred forty-two million, one hundred one thousand, one hundred sixty".