1225016654 has 16 divisors (see below), whose sum is σ = 1848832128. Its totient is φ = 608750712.

The previous prime is 1225016647. The next prime is 1225016657. The reversal of 1225016654 is 4566105221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225016654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225016657) 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 7 ways as a sum of consecutive naturals, for example, 243149 + ... + 248135.

It is an arithmetic number, because the mean of its divisors is an integer number (115552008).

Almost surely, 2^1225016654 is an apocalyptic number.

1225016654 is a deficient number, since it is larger than the sum of its proper divisors (623815474).

1225016654 is a wasteful number, since it uses less digits than its factorization.

1225016654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1225016654 is about 35000.2379134771. The cubic root of 1225016654 is about 1069.9923294061.

The spelling of 1225016654 in words is "one billion, two hundred twenty-five million, sixteen thousand, six hundred fifty-four".