1225437107 has 2 divisors, whose sum is σ = 1225437108. Its totient is φ = 1225437106.

The previous prime is 1225437089. The next prime is 1225437127. The reversal of 1225437107 is 7017345221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225437107 - 2²⁴ = 1208659891 is a prime.

It is a super-2 number, since 2×1225437107² = 3003392206425058898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1225437127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612718553 + 612718554.

It is an arithmetic number, because the mean of its divisors is an integer number (612718554).

Almost surely, 2^1225437107 is an apocalyptic number.

1225437107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225437107 is an equidigital number, since it uses as much as digits as its factorization.

1225437107 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 1225437107 is about 35006.2438287800. The cubic root of 1225437107 is about 1070.1147304699.

The spelling of 1225437107 in words is "one billion, two hundred twenty-five million, four hundred thirty-seven thousand, one hundred seven".