1242045410 has 8 divisors (see below), whose sum is σ = 2235681756. Its totient is φ = 496818160.

The previous prime is 1242045401. The next prime is 1242045419. The reversal of 1242045410 is 145402421.

It is an interprime number because it is at equal distance from previous prime (1242045401) and next prime (1242045419).

It can be written as a sum of positive squares in 2 ways, for example, as 1009269361 + 232776049 = 31769^2 + 15257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1242045419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62102261 + ... + 62102280.

Almost surely, 2^1242045410 is an apocalyptic number.

1242045410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242045410 is a deficient number, since it is larger than the sum of its proper divisors (993636346).

1242045410 is a wasteful number, since it uses less digits than its factorization.

1242045410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124204548.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1242045410 is about 35242.6646268411. The cubic root of 1242045410 is about 1074.9274614836.

Adding to 1242045410 its reverse (145402421), we get a palindrome (1387447831).

The spelling of 1242045410 in words is "one billion, two hundred forty-two million, forty-five thousand, four hundred ten".