1421245002 has 16 divisors (see below), whose sum is σ = 2842899840. Its totient is φ = 473680032.

The previous prime is 1421244977. The next prime is 1421245009. The reversal of 1421245002 is 2005421241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421245002.

It is not an unprimeable number, because it can be changed into a prime (1421245009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45838 + ... + 70310.

It is an arithmetic number, because the mean of its divisors is an integer number (177681240).

Almost surely, 2^1421245002 is an apocalyptic number.

1421245002 is an abundant number, since it is smaller than the sum of its proper divisors (1421654838).

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

1421245002 is a wasteful number, since it uses less digits than its factorization.

1421245002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34157.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1421245002 is about 37699.4032048254. The cubic root of 1421245002 is about 1124.3192594738.

Adding to 1421245002 its reverse (2005421241), we get a palindrome (3426666243).

The spelling of 1421245002 in words is "one billion, four hundred twenty-one million, two hundred forty-five thousand, two".