1377420203 has 2 divisors, whose sum is σ = 1377420204. Its totient is φ = 1377420202.

The previous prime is 1377420193. The next prime is 1377420217. The reversal of 1377420203 is 3020247731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1377420203 - 2⁸ = 1377419947 is a prime.

It is a super-2 number, since 2×1377420203² = 3794572831265122418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1377420263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688710101 + 688710102.

It is an arithmetic number, because the mean of its divisors is an integer number (688710102).

Almost surely, 2^1377420203 is an apocalyptic number.

1377420203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377420203 is an equidigital number, since it uses as much as digits as its factorization.

1377420203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1377420203 is about 37113.6120985279. The cubic root of 1377420203 is about 1112.6420850887.

Adding to 1377420203 its reverse (3020247731), we get a palindrome (4397667934).

The spelling of 1377420203 in words is "one billion, three hundred seventy-seven million, four hundred twenty thousand, two hundred three".