1342557 has 6 divisors (see below), whose sum is σ = 1939262. Its totient is φ = 895032.

The previous prime is 1342547. The next prime is 1342567. The reversal of 1342557 is 7552431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1342547) and next prime (1342567).

It can be written as a sum of positive squares in only one way, i.e., 1313316 + 29241 = 1146^2 + 171^2 .

It is not a de Polignac number, because 1342557 - 2⁶ = 1342493 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁵ + 4⁹ + 2²⁰ + 5⁶ + 5⁶ + 7³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74578 + ... + 74595.

2^1342557 is an apocalyptic number.

It is an amenable number.

1342557 is a deficient number, since it is larger than the sum of its proper divisors (596705).

1342557 is a wasteful number, since it uses less digits than its factorization.

1342557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149179 (or 149176 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1342557 is about 1158.6876196801. The cubic root of 1342557 is about 110.3174575986.

Adding to 1342557 its reverse (7552431), we get a palindrome (8894988).

The spelling of 1342557 in words is "one million, three hundred forty-two thousand, five hundred fifty-seven".