1242104010 has 128 divisors (see below), whose sum is σ = 3466450944. Its totient is φ = 279002880.

The previous prime is 1242103987. The next prime is 1242104011. The reversal of 1242104010 is 104012421.

It is a super-3 number, since 3×1242104010³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1242104011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4483992 + ... + 4484268.

It is an arithmetic number, because the mean of its divisors is an integer number (27081648).

Almost surely, 2^1242104010 is an apocalyptic number.

1242104010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242104010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733225472).

1242104010 is an abundant number, since it is smaller than the sum of its proper divisors (2224346934).

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

1242104010 is a wasteful number, since it uses less digits than its factorization.

1242104010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1242104010 is about 35243.4959957153. The cubic root of 1242104010 is about 1074.9443663295.

Adding to 1242104010 its reverse (104012421), we get a palindrome (1346116431).

The spelling of 1242104010 in words is "one billion, two hundred forty-two million, one hundred four thousand, ten".