1307542 has 12 divisors (see below), whose sum is σ = 2071116. Its totient is φ = 619020.

The previous prime is 1307539. The next prime is 1307557. The reversal of 1307542 is 2457031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (172593).

2^1307542 is an apocalyptic number.

1307542 is a deficient number, since it is larger than the sum of its proper divisors (763574).

1307542 is a wasteful number, since it uses less digits than its factorization.

1307542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1307542 is about 1143.4780277732. The cubic root of 1307542 is about 109.3499400546.

It can be divided in two parts, 1307 and 542, that added together give a square (1849 = 43²).

The spelling of 1307542 in words is "one million, three hundred seven thousand, five hundred forty-two".