1057377 has 4 divisors (see below), whose sum is σ = 1409840. Its totient is φ = 704916.

The previous prime is 1057367. The next prime is 1057387. The reversal of 1057377 is 7737501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7737501 = 3 ⋅2579167.

It is an interprime number because it is at equal distance from previous prime (1057367) and next prime (1057387).

It is not a de Polignac number, because 1057377 - 2⁴ = 1057361 is a prime.

It is a super-2 number, since 2×1057377² = 2236092240258, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

1057377 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1057307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176227 + ... + 176232.

It is an arithmetic number, because the mean of its divisors is an integer number (352460).

2^1057377 is an apocalyptic number.

It is an amenable number.

1057377 is a deficient number, since it is larger than the sum of its proper divisors (352463).

1057377 is an equidigital number, since it uses as much as digits as its factorization.

1057377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352462.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 1057377 is about 1028.2883836745. The cubic root of 1057377 is about 101.8771107495.

The spelling of 1057377 in words is "one million, fifty-seven thousand, three hundred seventy-seven".