1225300142 has 16 divisors (see below), whose sum is σ = 2008040112. Its totient is φ = 556120320.

The previous prime is 1225300081. The next prime is 1225300147. The reversal of 1225300142 is 2410035221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225300147) 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, 26573 + ... + 56184.

It is an arithmetic number, because the mean of its divisors is an integer number (125502507).

Almost surely, 2^1225300142 is an apocalyptic number.

1225300142 is a deficient number, since it is larger than the sum of its proper divisors (782739970).

1225300142 is a wasteful number, since it uses less digits than its factorization.

1225300142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83443.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1225300142 is about 35004.2874802502. The cubic root of 1225300142 is about 1070.0748606895.

Adding to 1225300142 its reverse (2410035221), we get a palindrome (3635335363).

The spelling of 1225300142 in words is "one billion, two hundred twenty-five million, three hundred thousand, one hundred forty-two".