1202157 has 12 divisors (see below), whose sum is σ = 1894464. Its totient is φ = 728520.

The previous prime is 1202153. The next prime is 1202183. The reversal of 1202157 is 7512021.

It is not a de Polignac number, because 1202157 - 2² = 1202153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202153) 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 11 ways as a sum of consecutive naturals, for example, 5973 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (157872).

2^1202157 is an apocalyptic number.

It is an amenable number.

1202157 is a deficient number, since it is larger than the sum of its proper divisors (692307).

1202157 is a wasteful number, since it uses less digits than its factorization.

1202157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12160 (or 12157 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1202157 is about 1096.4292042809. The cubic root of 1202157 is about 106.3294897661.

Adding to 1202157 its reverse (7512021), we get a palindrome (8714178).

It can be divided in two parts, 120 and 2157, that multiplied together give a triangular number (258840 = T₇₁₉).

The spelling of 1202157 in words is "one million, two hundred two thousand, one hundred fifty-seven".