1225014051 has 4 divisors (see below), whose sum is σ = 1633352072. Its totient is φ = 816676032.

The previous prime is 1225014041. The next prime is 1225014059. The reversal of 1225014051 is 1504105221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1504105221 = 3 ⋅501368407.

It is not a de Polignac number, because 1225014051 - 2⁶ = 1225013987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225014059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204169006 + ... + 204169011.

It is an arithmetic number, because the mean of its divisors is an integer number (408338018).

Almost surely, 2^1225014051 is an apocalyptic number.

1225014051 is a deficient number, since it is larger than the sum of its proper divisors (408338021).

1225014051 is an equidigital number, since it uses as much as digits as its factorization.

1225014051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408338020.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1225014051 is about 35000.2007279958. The cubic root of 1225014051 is about 1069.9915715410.

Adding to 1225014051 its reverse (1504105221), we get a palindrome (2729119272).

The spelling of 1225014051 in words is "one billion, two hundred twenty-five million, fourteen thousand, fifty-one".