1255442002 has 16 divisors (see below), whose sum is σ = 1917561600. Its totient is φ = 616282480.

The previous prime is 1255441991. The next prime is 1255442003. The reversal of 1255442002 is 2002445521.

It is a super-2 number, since 2×1255442002² = 3152269240771536008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255442003) 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 7 ways as a sum of consecutive naturals, for example, 90399 + ... + 103357.

It is an arithmetic number, because the mean of its divisors is an integer number (119847600).

Almost surely, 2^1255442002 is an apocalyptic number.

1255442002 is a deficient number, since it is larger than the sum of its proper divisors (662119598).

1255442002 is a wasteful number, since it uses less digits than its factorization.

1255442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13841.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1255442002 is about 35432.2170065606. The cubic root of 1255442002 is about 1078.7783402713.

Adding to 1255442002 its reverse (2002445521), we get a palindrome (3257887523).

The spelling of 1255442002 in words is "one billion, two hundred fifty-five million, four hundred forty-two thousand, two".