1225437071 has 2 divisors, whose sum is σ = 1225437072. Its totient is φ = 1225437070.

The previous prime is 1225437013. The next prime is 1225437089. The reversal of 1225437071 is 1707345221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225437071 - 2¹⁸ = 1225174927 is a prime.

It is a super-3 number, since 3×1225437071³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225437371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612718535 + 612718536.

It is an arithmetic number, because the mean of its divisors is an integer number (612718536).

Almost surely, 2^1225437071 is an apocalyptic number.

1225437071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225437071 is an equidigital number, since it uses as much as digits as its factorization.

1225437071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1225437071 is about 35006.2433145860. The cubic root of 1225437071 is about 1070.1147199909.

The spelling of 1225437071 in words is "one billion, two hundred twenty-five million, four hundred thirty-seven thousand, seventy-one".