1274486542 has 32 divisors (see below), whose sum is σ = 2227161024. Its totient is φ = 535680000.

The previous prime is 1274486537. The next prime is 1274486561. The reversal of 1274486542 is 2456844721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316542 + ... + 320542.

It is an arithmetic number, because the mean of its divisors is an integer number (69598782).

Almost surely, 2^1274486542 is an apocalyptic number.

1274486542 is a deficient number, since it is larger than the sum of its proper divisors (952674482).

1274486542 is a wasteful number, since it uses less digits than its factorization.

1274486542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444.

The product of its digits is 430080, while the sum is 43.

The square root of 1274486542 is about 35699.9515685946. The cubic root of 1274486542 is about 1084.2058625783.

The spelling of 1274486542 in words is "one billion, two hundred seventy-four million, four hundred eighty-six thousand, five hundred forty-two".