1225144892357 has 2 divisors, whose sum is σ = 1225144892358. Its totient is φ = 1225144892356.

The previous prime is 1225144892347. The next prime is 1225144892383. The reversal of 1225144892357 is 7532984415221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1146968173156 + 78176719201 = 1070966^2 + 279601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225144892357 - 2¹⁶ = 1225144826821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225144892299 and 1225144892308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225144892327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612572446178 + 612572446179.

It is an arithmetic number, because the mean of its divisors is an integer number (612572446179).

Almost surely, 2^{1225144892357} is an apocalyptic number.

It is an amenable number.

1225144892357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225144892357 is an equidigital number, since it uses as much as digits as its factorization.

1225144892357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 53.

The spelling of 1225144892357 in words is "one trillion, two hundred twenty-five billion, one hundred forty-four million, eight hundred ninety-two thousand, three hundred fifty-seven".