1225217431534 has 16 divisors (see below), whose sum is σ = 1842918336000. Its totient is φ = 610913121624.

The previous prime is 1225217431519. The next prime is 1225217431541. The reversal of 1225217431534 is 4351347125221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913047 + ... + 1812205.

It is an arithmetic number, because the mean of its divisors is an integer number (115182396000).

Almost surely, 2^{1225217431534} is an apocalyptic number.

1225217431534 is a deficient number, since it is larger than the sum of its proper divisors (617700904466).

1225217431534 is a wasteful number, since it uses less digits than its factorization.

1225217431534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901047.

The product of its digits is 201600, while the sum is 40.

The spelling of 1225217431534 in words is "one trillion, two hundred twenty-five billion, two hundred seventeen million, four hundred thirty-one thousand, five hundred thirty-four".