1241143402 has 4 divisors (see below), whose sum is σ = 1861715106. Its totient is φ = 620571700.

The previous prime is 1241143367. The next prime is 1241143427. The reversal of 1241143402 is 2043411421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1096205881 + 144937521 = 33109^2 + 12039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310285849 + ... + 310285852.

Almost surely, 2^1241143402 is an apocalyptic number.

1241143402 is a deficient number, since it is larger than the sum of its proper divisors (620571704).

1241143402 is an equidigital number, since it uses as much as digits as its factorization.

1241143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620571703.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1241143402 is about 35229.8651998556. The cubic root of 1241143402 is about 1074.6671843709.

Adding to 1241143402 its reverse (2043411421), we get a palindrome (3284554823).

The spelling of 1241143402 in words is "one billion, two hundred forty-one million, one hundred forty-three thousand, four hundred two".