1225250071 has 2 divisors, whose sum is σ = 1225250072. Its totient is φ = 1225250070.

The previous prime is 1225250023. The next prime is 1225250119. The reversal of 1225250071 is 1700525221.

It is a balanced prime because it is at equal distance from previous prime (1225250023) and next prime (1225250119).

It is a cyclic number.

It is not a de Polignac number, because 1225250071 - 2⁹ = 1225249559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225250011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612625035 + 612625036.

It is an arithmetic number, because the mean of its divisors is an integer number (612625036).

Almost surely, 2^1225250071 is an apocalyptic number.

1225250071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225250071 is an equidigital number, since it uses as much as digits as its factorization.

1225250071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1225250071 is about 35003.5722605565. The cubic root of 1225250071 is about 1070.0602845471.

Adding to 1225250071 its reverse (1700525221), we get a palindrome (2925775292).

The spelling of 1225250071 in words is "one billion, two hundred twenty-five million, two hundred fifty thousand, seventy-one".