1225130764 has 96 divisors (see below), whose sum is σ = 2596608000. Its totient is φ = 498389760.

The previous prime is 1225130761. The next prime is 1225130779. The reversal of 1225130764 is 4670315221.

1225130764 = T₃₄₀₉ + T₃₄₁₀ + ... + T₃₆₀₇.

It is not an unprimeable number, because it can be changed into a prime (1225130761) 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, 5349802 + ... + 5350030.

It is an arithmetic number, because the mean of its divisors is an integer number (27048000).

Almost surely, 2^1225130764 is an apocalyptic number.

It is an amenable number.

1225130764 is an abundant number, since it is smaller than the sum of its proper divisors (1371477236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225130764 is a wasteful number, since it uses less digits than its factorization.

1225130764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1225130764 is about 35001.8680072936. The cubic root of 1225130764 is about 1070.0255515487.

Adding to 1225130764 its reverse (4670315221), we get a palindrome (5895445985).

The spelling of 1225130764 in words is "one billion, two hundred twenty-five million, one hundred thirty thousand, seven hundred sixty-four".