1542057 has 16 divisors (see below), whose sum is σ = 2274048. Its totient is φ = 921680.

The previous prime is 1542043. The next prime is 1542071. The reversal of 1542057 is 7502451.

It is an interprime number because it is at equal distance from previous prime (1542043) and next prime (1542071).

It is a cyclic number.

It is not a de Polignac number, because 1542057 - 2⁴ = 1542041 is a prime.

1542057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1542007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2458 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (142128).

2^1542057 is an apocalyptic number.

It is an amenable number.

1542057 is a deficient number, since it is larger than the sum of its proper divisors (731991).

1542057 is a wasteful number, since it uses less digits than its factorization.

1542057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1542057 is about 1241.7958769460. The cubic root of 1542057 is about 115.5314282646.

It can be divided in two parts, 154 and 2057, that added together give a triangular number (2211 = T₆₆).

The spelling of 1542057 in words is "one million, five hundred forty-two thousand, fifty-seven".