1225132051 has 32 divisors (see below), whose sum is σ = 1482195456. Its totient is φ = 997920000.

The previous prime is 1225132039. The next prime is 1225132061. The reversal of 1225132051 is 1502315221.

It is not a de Polignac number, because 1225132051 - 2⁷ = 1225131923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225132001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679351 + ... + 681151.

It is an arithmetic number, because the mean of its divisors is an integer number (46318608).

Almost surely, 2^1225132051 is an apocalyptic number.

1225132051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1225132051 is a deficient number, since it is larger than the sum of its proper divisors (257063405).

1225132051 is a wasteful number, since it uses less digits than its factorization.

1225132051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1225132051 is about 35001.8863920218. The cubic root of 1225132051 is about 1070.0259262359.

Adding to 1225132051 its reverse (1502315221), we get a palindrome (2727447272).

The spelling of 1225132051 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, fifty-one".