1225410461 has 16 divisors (see below), whose sum is σ = 1372439808. Its totient is φ = 1084569600.

The previous prime is 1225410449. The next prime is 1225410463. The reversal of 1225410461 is 1640145221.

It is a cyclic number.

It is not a de Polignac number, because 1225410461 - 2⁶ = 1225410397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225410461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225410463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93641 + ... + 105921.

It is an arithmetic number, because the mean of its divisors is an integer number (85777488).

Almost surely, 2^1225410461 is an apocalyptic number.

1225410461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1225410461 is a deficient number, since it is larger than the sum of its proper divisors (147029347).

1225410461 is a wasteful number, since it uses less digits than its factorization.

1225410461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12532.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1225410461 is about 35005.8632374635. The cubic root of 1225410461 is about 1070.1069741943.

Adding to 1225410461 its reverse (1640145221), we get a palindrome (2865555682).

The spelling of 1225410461 in words is "one billion, two hundred twenty-five million, four hundred ten thousand, four hundred sixty-one".