1225305151 has 16 divisors (see below), whose sum is σ = 1462307328. Its totient is φ = 1003860000.

The previous prime is 1225305139. The next prime is 1225305157. The reversal of 1225305151 is 1515035221.

It is a cyclic number.

It is not a de Polignac number, because 1225305151 - 2¹⁹ = 1224780863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225305157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375276 + ... + 378526.

It is an arithmetic number, because the mean of its divisors is an integer number (91394208).

Almost surely, 2^1225305151 is an apocalyptic number.

1225305151 is a deficient number, since it is larger than the sum of its proper divisors (237002177).

1225305151 is a wasteful number, since it uses less digits than its factorization.

1225305151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1225305151 is about 35004.3590285553. The cubic root of 1225305151 is about 1070.0763188350.

The spelling of 1225305151 in words is "one billion, two hundred twenty-five million, three hundred five thousand, one hundred fifty-one".