1225462461 has 32 divisors (see below), whose sum is σ = 1706664960. Its totient is φ = 781570944.

The previous prime is 1225462423. The next prime is 1225462487. The reversal of 1225462461 is 1642645221.

It is not a de Polignac number, because 1225462461 - 2¹⁰ = 1225461437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225462411) 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, 1685280 + ... + 1686006.

It is an arithmetic number, because the mean of its divisors is an integer number (53333280).

Almost surely, 2^1225462461 is an apocalyptic number.

It is an amenable number.

1225462461 is a deficient number, since it is larger than the sum of its proper divisors (481202499).

1225462461 is a wasteful number, since it uses less digits than its factorization.

1225462461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its digits is 23040, while the sum is 33.

The square root of 1225462461 is about 35006.6059623037. The cubic root of 1225462461 is about 1070.1221105581.

The spelling of 1225462461 in words is "one billion, two hundred twenty-five million, four hundred sixty-two thousand, four hundred sixty-one".