1225132151 has 2 divisors, whose sum is σ = 1225132152. Its totient is φ = 1225132150.

The previous prime is 1225132147. The next prime is 1225132169. The reversal of 1225132151 is 1512315221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225132151 - 2² = 1225132147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225132171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612566075 + 612566076.

It is an arithmetic number, because the mean of its divisors is an integer number (612566076).

Almost surely, 2^1225132151 is an apocalyptic number.

1225132151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225132151 is an equidigital number, since it uses as much as digits as its factorization.

1225132151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 1225132151 is about 35001.8878205162. The cubic root of 1225132151 is about 1070.0259553491.

Adding to 1225132151 its reverse (1512315221), we get a palindrome (2737447372).

The spelling of 1225132151 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, one hundred fifty-one".