1225314501 has 4 divisors (see below), whose sum is σ = 1633752672. Its totient is φ = 816876332.

The previous prime is 1225314499. The next prime is 1225314509. The reversal of 1225314501 is 1054135221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1225314501 - 2¹ = 1225314499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225314509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204219081 + ... + 204219086.

It is an arithmetic number, because the mean of its divisors is an integer number (408438168).

Almost surely, 2^1225314501 is an apocalyptic number.

It is an amenable number.

1225314501 is a deficient number, since it is larger than the sum of its proper divisors (408438171).

1225314501 is an equidigital number, since it uses as much as digits as its factorization.

1225314501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408438170.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1225314501 is about 35004.4925830957. The cubic root of 1225314501 is about 1070.0790406572.

Adding to 1225314501 its reverse (1054135221), we get a palindrome (2279449722).

The spelling of 1225314501 in words is "one billion, two hundred twenty-five million, three hundred fourteen thousand, five hundred one".