1542069 has 6 divisors (see below), whose sum is σ = 2227446. Its totient is φ = 1028040.

The previous prime is 1542043. The next prime is 1542071. The reversal of 1542069 is 9602451.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 439569 = 1050^2 + 663^2 .

It is not a de Polignac number, because 1542069 - 2⁷ = 1541941 is a prime.

It is a super-2 number, since 2×1542069² = 4755953601522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542029) by changing a digit.

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, 85662 + ... + 85679.

It is an arithmetic number, because the mean of its divisors is an integer number (371241).

2^1542069 is an apocalyptic number.

It is an amenable number.

1542069 is a deficient number, since it is larger than the sum of its proper divisors (685377).

1542069 is a wasteful number, since it uses less digits than its factorization.

1542069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171347 (or 171344 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1542069 is about 1241.8007086485. The cubic root of 1542069 is about 115.5317279451.

The spelling of 1542069 in words is "one million, five hundred forty-two thousand, sixty-nine".